{"title":"Diagnostic Lab Builder","description":"","products":[{"product_id":"basic-male-panel-package","title":"Base Lab Panel","description":"\u003cp\u003e\u003cstrong\u003e65 Biomarkers \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Base Lab Panel covers bloodwork essentials. We use key biomarkers to provide insight into your metabolic health, hormone status, and lipid profile. Labs also include liver enzymes, kidney metabolites, and electrolyte levels. Our foundational base lab panel is an excellent choice for men new to optimization and can help identify target areas for further testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ci\u003eThis lab panel does \u003cstrong\u003eNOT\u003c\/strong\u003e meet treatment requirements for Marek Health's Guided Optimization platform\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Male","offer_id":44434401788178,"sku":"QST-136","price":250.0,"currency_code":"USD","in_stock":true},{"title":"Female","offer_id":44455775174930,"sku":"QST-137","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/thp-base.webp?v=1743864763"},{"product_id":"17-oh-progesterone-lc-ms","title":"17-OH Progesterone (17-OHP) [LC\/MS]","description":"\u003cp\u003eThe adrenal glands — small organs that sit on top of the kidneys — produce multiple hormones including 17-OH progesterone. Testing levels of this molecule can provide information about the health of the adrenal glands and identify hormone imbalances that may lead to acne or infertility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e17-OH Progesterone (LC\/MS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44460321341714,"sku":"QST-59","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/17-OH-Progesterone-_LCMS_11ba654e-2d5d-4841-b644-24d83cccc1b2.webp?v=1776176267"},{"product_id":"acth-plasma","title":"ACTH, Plasma","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eACTH (Adrenocorticotropic Hormone), Plasma\u003c\/b\u003e\u003c\/span\u003e measures the level of ACTH in your blood. ACTH is a hormone made by the pituitary gland that tells your adrenal glands to produce \u003cspan class=\"s1\"\u003e\u003cb\u003ecortisol\u003c\/b\u003e\u003c\/span\u003e (your main “stress hormone”).\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis test helps evaluate how well the \u003cspan class=\"s1\"\u003epituitary–adrenal (HPA) axis\u003c\/span\u003e is working. \u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44460459458834,"sku":"QST-95","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/ACTH_-Plasma_d36f350c-fb6b-4c44-9c9e-6a056c4317e3.webp?v=1776176307"},{"product_id":"c-reactive-protein-high-sensitivity-hs-crp","title":"C-Reactive Protein, High Sensitivity (hs-CRP)","description":"\u003cp\u003eC-Reactive Protein, High Sensitivity (hs-CRP) The liver releases C-reactive protein (CRP) in response to inflammation. Elevated CRP levels may be a sign of unresolved inflammatory cascades and immune dysfunction. Chronically elevated CRP is associated with increased risk of heart disease. The high-sensitivity CRP (hs-CRP) test more accurately measures low levels of the CRP protein compared to standard tests.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44460473123090,"sku":"QST-17","price":18.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/C-Reactive-Protein_-High-Sensitivity-_hs-CRP_382ffead-31d1-4b99-9810-83ef95b6bfcc.webp?v=1776176295"},{"product_id":"aldosterone-lc-ms","title":"Aldosterone [LC\/MS]","description":"\u003cp\u003e\u003cb\u003eAldosterone\u003c\/b\u003e is a hormone made by your adrenal glands, two small glands located above the kidneys. ALD helps control blood pressure and maintain healthy levels of sodium and potassium. This test is used toevaluate patients with hypertension and possible hyperaldosteronism.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAldosterone [LC\/MS]\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464354165010,"sku":"QST-123","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Aldosterone-_LCMS_66fec8f1-87cc-47ce-b47a-9188f3547c7e.webp?v=1776176484"},{"product_id":"insulin-antibodies","title":"Insulin Antibodies (IAA)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInsulin Antibodies (IAA) \u003c\/span\u003e\u003c\/strong\u003eare immune proteins that target insulin — the hormone responsible for regulating blood sugar. The presence of insulin antibodies indicates an autoimmune response against the insulin-producing beta cells of the pancreas. This test is primarily used to help differentiate Type 1 diabetes (autoimmune) from Type 2 diabetes, particularly in ambiguous cases or in adults with late-onset autoimmune diabetes (LADA). Elevated insulin antibodies can also be present in patients treated with exogenous insulin, where the body develops antibodies in response to the injected hormone. This test is commonly ordered alongside other diabetes autoantibodies (GAD-65, IA-2, ZnT8) for a comprehensive autoimmune diabetes assessment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInsulin Antibodies (IAA)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464413671698,"sku":"QST-116","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Insulin-Antibodies_0885d979-8417-4a91-b20f-574a146442e0.webp?v=1776176332"},{"product_id":"apoe-genotyping-alzheimers-risk","title":"APOE Genotyping (Alzheimer's Risk)","description":"\u003cp\u003eThe APOE gene provides instructions for making apolipoprotein E, a protein involved in cholesterol transport and fat metabolism in the brain. Certain variants of this gene — particularly the APOE ε4 allele — are the strongest known genetic risk factors for late-onset Alzheimer's disease. Carrying one copy of ε4 increases risk moderately, while two copies increase it substantially. The APOE ε2 variant, by contrast, is associated with a reduced risk. This one-time genetic test identifies your APOE genotype, providing actionable insight for those focused on cognitive longevity, neuroprotection strategies, and cardiovascular risk management — since APOE variants also influence lipid metabolism and heart disease risk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAPOE Genotyping (Alzheimer's Risk)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464420225298,"sku":"QST-47","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/APOE-Genotyping-_Alzheimer_s-Risk_103c8c6f-3916-4691-a985-0fb7bc5fa271.webp?v=1776176293"},{"product_id":"c-peptide-serum","title":"C-Peptide, Serum","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eC-Peptide\u003c\/span\u003e\u003c\/strong\u003e is a byproduct of insulin production released by the pancreas in equal amounts to insulin. Measuring C-Peptide provides a reliable picture of how much insulin your body is actually producing — independent of any external insulin use. This makes it a valuable tool for distinguishing between Type 1 and Type 2 diabetes, assessing beta cell function, and evaluating insulin resistance. Low C-Peptide levels may indicate reduced insulin production, as seen in Type 1 diabetes or advanced Type 2 diabetes. Elevated levels may suggest insulin resistance, insulinoma, or other conditions where the pancreas is overproducing insulin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eC-Peptide, Serum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464422650130,"sku":"QST-118","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/C-Peptide_-Serum_754edb00-9ebf-406b-af81-2cce4900f59d.webp?v=1776176297"},{"product_id":"cystatin-c-with-egfr","title":"Cystatin C with eGFR","description":"\u003cp\u003eMost cells in the body naturally make a protein called cystatin C, which is then removed from the blood by the kidneys. High concentrations of cystatin C are often a signal of kidney dysfunction. Cystatin C levels can be used to calculate the estimated glomerular filtration rate (eGFR), which describes how well the kidneys are able to filter waste.\u003cbr\u003e\u003cb\u003eCystatin C\u003c\/b\u003e is a more accurate marker of kidney function than Creatinine as it is less influenced by diet, supplements and exercise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCystatin C with eGFR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: Fasting is recommended for 12 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464424026386,"sku":"QST-50","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Cystatin-C-with-eGFR_c911cc25-0cc1-4cbd-a9a0-f8949d786896.webp?v=1776176213"},{"product_id":"factor-v-leiden-mutation","title":"Factor V Leiden Mutation, DNA Analysis","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFactor V Leiden \u003c\/span\u003e\u003c\/strong\u003eis the most common inherited blood clotting disorder. This genetic test identifies a mutation in the Factor V gene that makes the blood more prone to forming abnormal clots — a condition known as thrombophilia. Individuals with one copy of the mutation (heterozygous) have a moderately increased risk of deep vein thrombosis (DVT), pulmonary embolism, and other clotting events. Those with two copies (homozygous) face a significantly higher risk. This one-time DNA test is particularly important for individuals with a personal or family history of unexplained blood clots, recurrent pregnancy loss, or those considering hormone therapy or oral contraceptives, which can further elevate clotting risk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFactor V Leiden Mutation, DNA Analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464442245394,"sku":"QST-57","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Factor-V-Leiden-Mutation_ff915409-4411-4830-87dd-c5f3fe04bb91.webp?v=1776176480"},{"product_id":"hereditary-hemochromatosis-hfe-dna-analysis","title":"Hereditary Hemochromatosis (HFE), DNA Analysis","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eHereditary Hemochromatosis (HFE), DNA Analysis\u003c\/b\u003e\u003c\/span\u003e is a genetic test that looks for common changes (variants) in the \u003cspan class=\"s1\"\u003eHFE gene\u003c\/span\u003e that can increase the risk of \u003cspan class=\"s1\"\u003eiron overload\u003c\/span\u003e (the body absorbing and storing too much iron).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-sheets-root=\"1\"\u003eHereditary Hemochromatosis (HFE), DNA Analysis\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464453419282,"sku":"QST-73","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Hereditary-Hemochromatosis-_HFE_-DNA-Analysis_3a2be716-39b3-493a-ae10-3d968372089d.webp?v=1776176396"},{"product_id":"lipid-panel-total-cholesterol-hdl-ldl-vldl-triglycerides-hdl-ldl-ratio","title":"Lipid Panel (Total Cholesterol, HDL, LDL, VLDL, Triglycerides, HDL\/LDL Ratio)","description":"\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Cholesterol\u003c\/li\u003e\n\u003cli\u003eHDL Cholesterol\u003c\/li\u003e\n\u003cli\u003eLDL Cholesterol\u003c\/li\u003e\n\u003cli\u003eVLDL Cholesterol (calc)\u003c\/li\u003e\n\u003cli\u003eTriglycerides\u003c\/li\u003e\n\u003cli\u003eHDL\/LDL Ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eTotal Cholesterol\u003c\/b\u003e measures the levels of both high-density lipoprotein (HDL) and low-density lipoprotein (LDL) in the blood. Cholesterol is necessary for creating new cells, producing hormones, making vitamin D, and creating bile (a fluid that aids in digestion). However, too much cholesterol may raise the risk of heart attack and stroke.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHigh-density lipoprotein cholesterol (HDL-C)\u003c\/b\u003e or “good” cholesterol is known to decrease the risk of heart attack and stroke by removing “bad” cholesterol from the blood vessels. HDL carries away other types of cholesterol to the liver in order to be flushed out of the body. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eLow-density lipoprotein cholesterol (LDL-C)\u003c\/b\u003e or “bad” cholesterol builds up within the blood vessels. LDL levels help predict risk of heart disease and stroke and provide information about whether lifestyle changes or medications may improve heart health and overall wellness. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eVery low-density lipoprotein (VLDL)\u003c\/b\u003e is similar to LDL however it mainly carries triglycerides. There is growing evidence that VLDL plays an important role in atherogenesis, in which plaques form on the interior walls of arteries, narrowing these passageways and restricting blood flow, which can lead to heart disease and increase the risk of stroke.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTriglycerides\u003c\/b\u003e are a type of fat located in the blood. High triglyceride levels may be a result eating more calories than are burned. Triglycerides can harden and thicken the walls of the arteries, increasing the ability of “bad” cholesterol to form plaques and raising the risk of heart disease. \u003cbr\u003e\u003cbr\u003e\u003ci\u003eNote: Fasting is recommended for 12 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464466788626,"sku":"QST-21","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/vialandlogo_7cc78286-4ee1-4c2b-8669-deec3a93ba89.webp?v=1743888538"},{"product_id":"mthfr-dna-analysis","title":"MTHFR, DNA Analysis","description":"\u003cp\u003eMTHFR, DNA AnalysisMTHFR (methylenetetrahydrofolate reductase) is an enzyme that plays a key role in the metabolism of folate, a B vitamin that is essential for normal brain function and the production of DNA. MTHFR DNA analysis involves testing for genetic variations in the MTHFR gene that may affect the enzyme's function. These variations, known as polymorphisms, can result in an increased risk of certain health conditions, such as cardiovascular disease, neural tube defects, and certain types of cancer.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464467018002,"sku":"QST-56","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/MTHFR_-DNA-Analysis_d3cd21ec-ec8a-4bac-98cc-17d6a04843b2.webp?v=1776176330"},{"product_id":"myeloperoxidase-mpo","title":"Myeloperoxidase (MPO)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMyeloperoxidase (MPO) \u003c\/span\u003e\u003c\/strong\u003eis an enzyme released by white blood cells (neutrophils) during the inflammatory response. While MPO plays an important role in immune defense by helping destroy pathogens, elevated levels in the blood are a sensitive marker of vascular inflammation and oxidative stress. High MPO levels are associated with increased risk of coronary artery disease, heart attack, and cardiovascular events — even in patients with otherwise normal cholesterol levels. MPO contributes to atherosclerosis by oxidizing LDL cholesterol and destabilizing arterial plaque, making it a valuable early warning biomarker. This test is particularly useful for individuals assessing cardiovascular risk beyond standard lipid panels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMyeloperoxidase (MPO)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464467149074,"sku":"QST-86","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Myeloperoxidase-_MPO_14b5dbbc-a999-4027-8848-9c684e054536.webp?v=1776176374"},{"product_id":"parathyroid-hormone-pth-calcium","title":"Parathyroid Hormone (PTH) \u0026 Calcium","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eParathyroid Hormone (PTH) \u0026amp; Calcium\u003c\/b\u003e\u003c\/span\u003e checks your blood calcium level and the hormone (PTH) that helps regulate it. PTH is made by the parathyroid glands and works with vitamin D and the kidneys to keep \u003cspan class=\"s1\"\u003ecalcium in a healthy range\u003c\/span\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParathyroid Hormone (PTH)\u003c\/li\u003e\n\u003cli\u003eCalcium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464467181842,"sku":"QST-90","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Parathyroid-Hormone-_PTH_-and-Calcium_727ed2e8-b50b-4a26-925a-3f5a7315f5a1.webp?v=1776176358"},{"product_id":"thyroid-stimulating-hormone-tsh","title":"Thyroid-Stimulating Hormone (TSH)","description":"\u003cp\u003e\u003cb\u003eThyroid-Stimulating Hormone (TSH)\u003c\/b\u003e is an important marker for thyroid health which governs energy and metabolism. TSH acts as a signal that tells the thyroid when to produce more thyroid hormone. Abnormal thyroid levels may result in weight changes, heart rate changes, sleeping problems, hair loss, anxiety, or fatigue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThyroid-Stimulating Hormone (TSH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464467312914,"sku":"QST-51","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Thyroid-Stimulating-Hormone-_TSH_90cdf15b-c2da-454a-bd88-10a693cc5bc3.webp?v=1776176219"},{"product_id":"total-dht-lc-ms-free-dht-dialysis","title":"Total DHT [LC\/MS] \u0026 Free DHT [Equilibrium Dialysis]","description":"\u003cp\u003e\u003cb\u003eDihydrotestosterone (DHT)\u003c\/b\u003e is a tissue metabolite of testosterone. It has potent effects on many of the body’s tissues. Elevated DHT is associated with male pattern baldness and prostate growth.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTotal DHT\u003c\/b\u003e test is a measure of the total amount of DHT hormone in the blood. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eFree DHT\u003c\/b\u003e is a measure of unbound DHT available to the body’s tissues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTotal DHT [LC\/MS]\u003c\/li\u003e\n\u003cli\u003eFree DHT [Equilibrium Dialysis]\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464468984082,"sku":"QST-34","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Total-DHT-_LCMS_-and-Free-DHT-_Dialysis_9aee01b7-1401-4e40-8a15-cedbed7041ff.webp?v=1776176346"},{"product_id":"tumor-necrosis-factor-alpha-tnf-α","title":"Tumor Necrosis Factor-Alpha (TNF-α)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTumor Necrosis Factor-Alpha (TNF-α)\u003c\/span\u003e\u003c\/strong\u003e is a pro-inflammatory cytokine produced by immune cells. It plays a key role in the body's acute inflammatory response and helps coordinate immune activity against infections and damaged tissue. However, chronically elevated TNF-a is implicated in a wide range of inflammatory and autoimmune conditions, including rheumatoid arthritis, inflammatory bowel disease, psoriasis, and metabolic syndrome. Elevated TNF-a has also been linked to insulin resistance, cardiovascular disease, and accelerated aging. This test is valuable for individuals investigating chronic inflammation, autoimmune symptoms, or those tracking the effectiveness of anti-inflammatory interventions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTumor Necrosis Factor-Alpha (TNF-α)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464469082386,"sku":"QST-120","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/TNF-Alpha-_Tumor-Necrosis-Factor_b1506e8f-88dc-4dee-be9c-0814d61f9c73.webp?v=1776176356"},{"product_id":"vitamin-b12","title":"Vitamin B12","description":"\u003cp\u003e\u003cb\u003eVitamin B12\u003c\/b\u003e is involved in many areas of health. Proper vitamin B12 levels help support metabolism, the formation of new blood cells, the function of the nervous system, and the creation of new DNA. Vitamin B12 testing may be a good idea for people who are experiencing possible symptoms of anemia (such as tiredness and nausea) or nervous system conditions (such as numbness or weakness).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B12\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464469115154,"sku":"QST-67","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Vitamin-B12_ad09784e-d220-4575-933e-b2efae50af81.webp?v=1776176279"},{"product_id":"vitamin-b5","title":"Vitamin B5 (Pantothenic Acid) [LC-MS\/MS]","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVitamin B5 (pantothenic acid)\u003c\/span\u003e\u003c\/strong\u003e is an essential B vitamin involved in the synthesis of coenzyme A (CoA) — a molecule critical for energy metabolism, fatty acid synthesis, and the production of steroid hormones, neurotransmitters, and hemoglobin. Because B5 is involved in so many metabolic pathways, deficiency can manifest as fatigue, irritability, numbness or tingling in the extremities, digestive disturbances, and impaired wound healing. While severe deficiency is uncommon due to B5's wide availability in foods, suboptimal levels can occur in individuals with restrictive diets, malabsorption conditions, or high metabolic demand. This test measures blood levels of pantothenic acid to help identify deficiency and guide supplementation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B5 (Pantothenic Acid) [LC-MS\/MS]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464469901586,"sku":"QST-130","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Vitamin-B5.webp?v=1776176416"},{"product_id":"zinc-rbc","title":"Zinc, RBC","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eZinc, RBC (Red Blood Cell Zinc)\u003c\/b\u003e\u003c\/span\u003e checks the amount of zinc inside your red blood cells. Because zinc is stored in cells, this can give a better picture of your \u003cspan class=\"s1\"\u003e\u003cb\u003elonger-term zinc status\u003c\/b\u003e\u003c\/span\u003e than a standard blood (serum) zinc test.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eZinc supports\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eimmune function, wound healing, skin health, taste\/smell, and hormone\/reproductive health.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464470032658,"sku":"QST-96","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Zinc_-RBC_9c9c79ea-0883-49cc-84b5-25e778d6d649.webp?v=1776176235"},{"product_id":"folate-folic-acid-serum","title":"Folate (Folic Acid), Serum","description":"\u003cp\u003e\u003cb\u003eFolate\u003c\/b\u003e, also called folic acid or vitamin B9, is important for regenerating new tissues, producing new DNA, creating and recycling proteins, and making new blood cells. Abnormal folate levels can be a sign of a poor diet or nutritional deficiencies and may provide clues about certain types of anemia.\u003cbr\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464698032402,"sku":"QST-91","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Folate-_Folic-Acid_-Serum_485ee600-083c-495b-b945-0d7b3f6a64e6.webp?v=1776176211"},{"product_id":"hcg-beta-subunit-qual","title":"hCG Beta subunit, Qual","description":"\u003cp\u003eThis test is designed for early detection of pregnancy. hCG is produced in the placenta during pregnancy. In nonpregnant women, it can also be produced by tumors of the trophoblast, germ cell tumors with trophoblastic components, and some nontrophoblastic tumors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehCG Beta subunit, Qual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464699539730,"sku":"QST-55","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/hCG-Beta-Subunit_-Qualitative_bc7fc817-642c-433b-a380-b22226d39064.webp?v=1776176237"},{"product_id":"complete-blood-count-cbc-with-nlr-differential-and-platelets","title":"Complete Blood Count (CBC) with NLR, Differential, and Platelets","description":"\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e White Blood Count (WBC)\u003c\/li\u003e\n\u003cli\u003eRed Blood Count (RBC) \u003c\/li\u003e\n\u003cli\u003e Hemoglobin (Hbg) \u003c\/li\u003e\n\u003cli\u003eHematocrit (HCT) \u003c\/li\u003e\n\u003cli\u003eMCV \u003c\/li\u003e\n\u003cli\u003eMCH \u003c\/li\u003e\n\u003cli\u003eMCHC \u003c\/li\u003e\n\u003cli\u003eRed Cell Distribution Width (RDW) \u003c\/li\u003e\n\u003cli\u003ePlatelets \u003c\/li\u003e\n\u003cli\u003eNeutrophils \u003c\/li\u003e\n\u003cli\u003eNeutrophils (Absolute) \u003c\/li\u003e\n\u003cli\u003eLymphocytes \u003c\/li\u003e\n\u003cli\u003eLymphocytes (Absolute) \u003c\/li\u003e\n\u003cli\u003eNeutrophil\/Lymphocyte Ratio \u003c\/li\u003e\n\u003cli\u003eMonocytes \u003c\/li\u003e\n\u003cli\u003eMonocytes (Absolute) \u003c\/li\u003e\n\u003cli\u003eEosinophils \u003c\/li\u003e\n\u003cli\u003eEosinophils (Absolute) \u003c\/li\u003e\n\u003cli\u003eBasophils \u003c\/li\u003e\n\u003cli\u003eBasophils (Absolute) \u003c\/li\u003e\n\u003cli\u003eImmature Cells \u003c\/li\u003e\n\u003cli\u003eImmature Granulocytes \u003c\/li\u003e\n\u003cli\u003eImmature Granulocytes (Absolute) \u003c\/li\u003e\n\u003cli\u003eNRBC \u003c\/li\u003e\n\u003cli\u003ew\/ Reflex for Immature Cells\u003c\/li\u003e \u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eWhite blood cells (WBCs)\u003c\/b\u003e, or leukocytes, protect the body from infection. A low WBC count may signal various medical conditions, including autoimmune disorders, cancer, or problems with the liver, spleen, or bone marrow. A high WBC count may be caused by infection, inflammatory conditions, leukemia, or injury. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eRed blood cells (RBCs)\u003c\/b\u003e carry oxygen to all of the tissues of the body. When the body has too few RBCs, it may be a sign of anemia, bone marrow conditions, vitamin deficiencies, or cancer. Too many RBCs may signal heart problems, kidney tumors, lung scarring, or bone marrow conditions.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHematocrit (HCT)\u003c\/b\u003e indicates how much of the blood is made of red blood cells. HCT is dependent on the number and size of the red blood cells. Low levels of HCT may indicate various health conditions, while elevated HCT levels can increase the risk of heart attack or stroke. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eHemoglobin\u003c\/b\u003e is a protein found in red blood cells that helps transport oxygen to and remove carbon dioxide from the body’s tissues. Hemoglobin testing can provide information about hydration levels and the health of the blood cells. Conditions that affect the liver, heart, and lungs can also change hemoglobin levels. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMean corpuscular volume (MCV)\u003c\/b\u003e describes the average size of each red blood cell. Normal-sized red blood cells are important for carrying oxygen around the body. Certain blood disorders, vitamin deficiencies, or other health conditions can alter the MCV. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMean corpuscular hemoglobin (MCH)\u003c\/b\u003e is an indicator of how much hemoglobin (the protein that carries oxygen) is present within a single red blood cell. It describes how well oxygen is being transported to all of the body’s tissues. Changes in MCH may be due to blood disorders, nutritional deficiencies, kidney failure, or other conditions. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMean corpuscular hemoglobin concentration (MCHC)\u003c\/b\u003e tests calculate levels of hemoglobin (the protein that carries oxygen) within a group of red blood cells and compare this with how big the cells are. This test can help identify potential problems with the blood, kidneys, or heart. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eRed cell distribution width (RDW)\u003c\/b\u003e describes how different red blood cells are when it comes to their size. Ideally, all red blood cells will be similarly sized. A high RDW means that the body is creating red blood cells in very different sizes; this may be a sign of various health problems.\u003cbr\u003e\u003cbr\u003eMeasuring the number of \u003cb\u003ereticulocytes\u003c\/b\u003e can diagnose certain types of anemia or provide information about the health of the bone marrow, kidneys, and liver. \u003cbr\u003e\u003cbr\u003e\u003cb\u003ePlatelets\u003c\/b\u003e are small cell fragments that help form blood clots and prevent bleeding after an injury. Platelet numbers may drop as a result of health conditions like infection, autoimmune disease, or blood cancer, or may rise due to anemia, inflammatory health conditions, or other cancer types. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eNeutrophils\u003c\/b\u003e white blood cells that kill germs like bacteria, viruses, and fungi in order to protect the body from infection. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eLymphocytes\u003c\/b\u003e, including T cells and B cells, fight infection and produce antibodies (proteins that help the immune system find and destroy pathogens). \u003cbr\u003e\u003cbr\u003e\u003cb\u003eMonocytes\u003c\/b\u003e are white blood cells that protect the body from germs and remove dead or damaged cells.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eEosinophils\u003c\/b\u003e are a type of white blood cell that destroy parasites and cancer cells and are involved in the body’s allergic response. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eBasophils\u003c\/b\u003e are white blood cells that recognize early signs of infection, help heal wounds, and help activate the body’s allergic response. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eNeutrophils\u003c\/b\u003e are a type of white blood cell that kill germs like bacteria, viruses, and fungi in order to protect the body from infection. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eEosinophils\u003c\/b\u003e are a type of white blood cell that destroy parasites and cancer cells and are involved in the body’s allergic response. \u003cbr\u003e\u003cbr\u003eThe \u003cb\u003eImmature Granulocytes\u003c\/b\u003e test describes what percentage of white blood cells are immature granulocytes. Certain types of white blood cells — neutrophils, eosinophils, and basophils — are granulocytes. Most of the granulocytes in the blood are fully-functioning and mature. Too many immature granulocytes may be a sign of infection, inflammation, or cancer. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eNucleated red blood cells (NRBC)\u003c\/b\u003e are immature (not yet fully functional) red blood cells. They are not usually found within the bloodstream, so their presence may indicate low oxygen levels, spleen conditions, or blood disorders such as leukemia. ","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464702488850,"sku":"QST-15","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Complete-Blood-Count-_CBC_-with-NLR_-Differential-and-Platelets_dd6dd0c8-fb12-4761-9fdf-1ebbcd5575f4.webp?v=1776176221"},{"product_id":"magnesium-rbc-icp-ms","title":"Magnesium, RBC [ICP\/MS]","description":"\u003cp\u003e\u003cb\u003eMagnesium\u003c\/b\u003e is a mineral and electrolyte essential for many important body processes, including controlling blood pressure, maintaining healthy blood sugar levels, and supporting healthy function of the nerves, muscles, bones, and heart. Abnormal magnesium levels may help explain symptoms like low energy levels, muscle cramps, heart palpitations, and breathing problems.\u003cbr\u003e\u003cbr\u003eThis test is a measure of magnesium within red blood cells, and a more accurate marker of magnesium deficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMagnesium, RBC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464708518162,"sku":"QST-38","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Magnesium_-RBC-_ICPMS_17082742-a8c7-4074-8839-0941d65e1a31.webp?v=1776176352"},{"product_id":"cortisol","title":"Cortisol","description":"\u003cp\u003e\u003cb\u003eCortisol\u003c\/b\u003e is the 'stress hormone' that helps your body respond to short- or long-term stress and trauma. Cortisol plays important roles in immune function and plays a role in controlling metabolism. Abnormal cortisol levels may be a sign of a tumor or of adrenal gland problems such as Cushing’s syndrome or Addison's disease. Prolonged elevation of cortisol can cause fatigue, immune dysfunction, and negatively impact sex hormones.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464708878610,"sku":"QST-18","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Cortisol_90f1ef62-f48c-4bdb-b892-79d385a53916.webp?v=1776176269"},{"product_id":"folate-rbc","title":"Folate, RBC","description":"\u003cp\u003e\u003cb\u003eFolate\u003c\/b\u003e, also called folic acid or vitamin B9, is important for regenerating new tissues, producing new DNA, creating and recycling proteins, and making new blood cells. Abnormal folate levels can be a sign of a poor diet or nutritional deficiencies and may provide clues about certain types of anemia.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFolate, RBC\u003c\/li\u003e\n\u003cli\u003eFolate, Hemolysate\u003c\/li\u003e\n\u003cli\u003eHematocrit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464710254866,"sku":"QST-109","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Folate_-RBC_5e3cd134-d617-49d4-b285-b96be7b099a0.webp?v=1776176275"},{"product_id":"vitamin-b1-thiamine-blood","title":"Vitamin B1 (Thiamine), Blood","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eVitamin B1 (Thiamine), Blood\u003c\/b\u003e\u003c\/span\u003e measures the level of thiamine in your blood. Thiamine is an essential B vitamin used to convert food into energy and support \u003cspan class=\"s1\"\u003enervous system and heart function\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eLow thiamine can contribute to \u003c\/span\u003efatigue, weakness, nerve symptoms (tingling\/numbness), and memory or balance issues\u003cspan class=\"s1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVitamin B1 (Thiamine), Blood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464710680850,"sku":"QST-79","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Vitamin-B1-_Thiamine_aa790b63-9e62-4def-9757-57b177321bbc.webp?v=1776176319"},{"product_id":"dehydroepiandrosterone-sulfate-dhea-s","title":"Dehydroepiandrosterone Sulfate (DHEA-S)","description":"\u003cp\u003e\u003cb\u003eDHEA\u003c\/b\u003e is the master sex hormone necessary for a healthy libido, energy levels, and immune function. It’s the body’s natural counterbalance to stress hormones like cortisol. Sufficient levels of DHEA-S are associated with improved cardiovascular health, reduced belly fat, a healthy metabolism, improved mood, enhanced memory, and better sleep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDehydroepiandrosterone Sulfate (DHEA-S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464710713618,"sku":"QST-13","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/DHEA-S-_Dehydroepiandrosterone-Sulfate_58709e13-82a7-42f5-bc19-dabf5bfef19b.webp?v=1776176249"},{"product_id":"estrogens-total","title":"Estrogens, Total","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eEstrogens, Total\u003c\/b\u003e\u003c\/span\u003e measures the combined level of several estrogen hormones in your blood (including estradiol, estrone, and estriol). Estrogens are key hormones involved in \u003cspan class=\"s1\"\u003ereproductive function\u003c\/span\u003e, and they also affect \u003cspan class=\"s1\"\u003ebone health, mood, and metabolism\u003c\/span\u003e.\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEstrogens, Total\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464711729426,"sku":"QST-74","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Estrogens_-Total_3693d648-faba-40c0-bf65-e8142c065569.webp?v=1776176344"},{"product_id":"erythrocyte-sedimentation-rate-esr-westergren","title":"Erythrocyte Sedimentation Rate (ESR) - Westergren","description":"\u003cp\u003eAn \u003cb\u003eerythrocyte sedimentation rate (ESR)\u003c\/b\u003e is a type of blood test that measures how quickly erythrocytes (red blood cells) settle at the bottom of a test tube that contains a blood sample. Normally, red blood cells settle relatively slowly. A faster-than-normal rate may indicate inflammation in the body. Inflammation is part of your immune response system. It can be a reaction to an infection or injury. Inflammation may also be a sign of a chronic disease, an immune disorder, or other medical condition.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464711827730,"sku":"QST-115","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/ESR-_Erythrocyte-Sedimentation-Rate_8a6efbaa-6909-4d67-addb-5bb9fe068f18.webp?v=1776176205"},{"product_id":"antinuclear-antibodies-ana-ifa","title":"Antinuclear Antibodies (ANA), IFA","description":"\u003cp\u003eAn \u003cb\u003eANA\u003c\/b\u003e test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight foreign substances, such as viruses and bacteria. But an antinuclear antibody attacks your own healthy cells instead. The presence of a large number of autoantibodies or ANAs can indicate an autoimmune disease. ANAs could signal the body to begin attacking itself which can lead to autoimmune diseases, including lupus, scleroderma, Sjögren’s syndrome, polymyositis\/dermatomyositis, mixed connective tissue disease, drug-induced lupus, hashimoto thyroiditis, inflammatory bowel disease and autoimmune hepatitis.\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464712286482,"sku":"QST-94","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Antinuclear-Antibodies-_ANA_-IFA_b753ab18-ba11-40cf-851e-f01e8b4849ae.webp?v=1776176207"},{"product_id":"estradiol-standard-eclia","title":"Estradiol, Standard (ECLIA)","description":"\u003cp\u003e\u003ci\u003e\u003c\/i\u003e\u003cb\u003eEstradiol\u003c\/b\u003e or E2 is the principle estrogen in men and women. Estradiol plays important roles in neuroprotection, fertility, metabolism, and anabolism. Imbalanced levels of Estradiol may be associated with erectile dysfunction, low libido, gynecomastia (the growth of breast tissue), hair loss, reduced muscle strength, or low energy levels.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ci\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e: In men, postmenopausal women, and adolescents we recommend the Estradiol, Sensitive (LC\/MS) available here: https:\/\/marekhealth.com\/product\/estradiol-sensitive-lc-ms-ms\/ \u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEstradiol, Standard (ECLIA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. 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Some TMAO is necessary for good health, but high concentrations may increase the risk of heart attack, stroke, or an early death.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTrimethylamine N-oxide (TMAO) [LC\/MS-MS]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464715071762,"sku":"QST-35","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/TMAO-_Trimethylamine-N-oxide_ecb188dd-4f8a-4db3-b783-11c2f6196e11.webp?v=1776176404"},{"product_id":"ferritin","title":"Ferritin","description":"\u003cp\u003e\u003cb\u003eFerritin\u003c\/b\u003e is a protein in the blood that helps store iron, which is important in forming hemoglobin (the protein that transports oxygen to the body’s tissues). Having high ferritin levels may be a sign of having too much iron stored in the body, which may point to liver disease, haemochromatosis, or thyroid dysfunction. Ferritin is also an acute-phase reactant and may be elevated due to inflammation. Low ferritin may indicate anemia or bleeding problems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFerritin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464715530514,"sku":"QST-12","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Ferritin_d0b41db4-9048-401f-b3ea-2e0954a73a49.webp?v=1776176030"},{"product_id":"cancer-antigen-19-9-ca-19-9","title":"Cancer Antigen 19-9 (CA 19-9)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCancer Antigen 19-9 (CA 19-9)\u003c\/span\u003e\u003c\/strong\u003e is a protein found on the surface of certain cancer cells that can be released into the bloodstream. It is most commonly associated with pancreatic cancer, where it serves as the primary tumor marker for monitoring treatment response and detecting recurrence. Elevated CA 19-9 levels may also be seen in colorectal, gastric, liver, and bile duct cancers. Non-cancerous conditions — including pancreatitis, bile duct obstruction, liver cirrhosis, and certain inflammatory conditions — can also cause CA 19-9 to rise. CA 19-9 is not used as a standalone screening tool but is most valuable when tracked over time alongside imaging and other diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCancer Antigen 19-9 (CA 19-9)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eAlso known as Carbohydrate Antigen 19-9\u003c\/i\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464715596050,"sku":"QST-88","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Cancer-Antigen-19-9-_CA-19-9_5f366242-6f48-4d78-912c-98a282f50899.webp?v=1776176478"},{"product_id":"cancer-antigen-125-ca-125","title":"Cancer Antigen 125 (CA 125)","description":"\u003cp\u003eMost ovarian cancer cells make a protein called cancer antigen 125 (CA 125). Elevated levels of CA 125 serve as a marker for ovarian cancer as well as tumors of the uterus, breast, pancreas, colon, or lung. Non-cancerous health problems such as endometriosis, uterine fibroids, or pelvic inflammatory disease can also cause CA 125 levels to rise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCancer Antigen 125 (CA 125)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464718446866,"sku":"QST-58","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Cancer-Antigen-125-_CA-125_6f4358ec-f72e-42a0-b281-7d8040fa74a2.webp?v=1776176261"},{"product_id":"apolipoprotein-a-1-apoa1","title":"Apolipoprotein A-1 (ApoA1)","description":"\u003cp\u003e\u003cstrong\u003eApolipoprotein A-1 (ApoA1) \u003c\/strong\u003eis a protein that is part of high-density lipoprotein (HDL), also known as 'good' cholesterol. It helps remove extra cholesterol from tissues and carries it to the liver to be recycled or removed from the body. Low levels of ApoA1 may signal a higher risk of developing heart disease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApolipoprotein A-1 (ApoA1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464718610706,"sku":"QST-82","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Apolipoprotein-A-1-_ApoA1_f029f5d0-ec3b-4bac-83b3-50ae1c7237b3.webp?v=1776176360"},{"product_id":"apolipoprotein-b-apob","title":"Apolipoprotein B (ApoB)","description":"\u003cp\u003e\u003cb\u003eApolipoprotein B (ApoB)\u003c\/b\u003e is a protein found in different types of 'bad' cholesterol, including low-density lipoprotein (LDL), lipoprotein(a), and very low-density lipoprotein (VLDL). ApoB can transfer extra cholesterol into the body’s tissues. High levels of ApoB in the blood are linked to a higher risk of developing heart disease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApolipoprotein B (ApoB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464718709010,"sku":"QST-25","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Apolipoprotein-B-_ApoB_75b19d1d-5234-4b4e-879c-95f81be08891.webp?v=1776176283"},{"product_id":"luteinizing-hormone-lh-follicle-stimulating-hormone-fsh","title":"Luteinizing Hormone (LH) \u0026 Follicle-Stimulating Hormone (FSH)","description":"\u003cp\u003e\u003cb\u003eLuteinizing Hormone (LH)\u003c\/b\u003e is a pituitary gonadotropin that stimulates the gonads to produce sex hormones. LH also plays important roles in fertility.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFollicle-Stimulating Hormone (FSH)\u003c\/b\u003e is a pituitary gonadotropin that stimulates the gonads and plays important roles in fertility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLuteinizing Hormone (LH)\u003c\/li\u003e\n\u003cli\u003eFollicle-stimulating hormone (FSH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003ci\u003eNote: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.\u003c\/i\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464721854738,"sku":"QST-39","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/LH-and-FSH_c110351a-5949-438b-8a5d-e4cddd1c50e2.webp?v=1776176223"},{"product_id":"rheumatoid-factor-rf-1","title":"Rheumatoid Factor (RF)","description":"\u003cp\u003e\u003cb\u003eRheumatoid factors\u003c\/b\u003e are proteins produced by your immune system that can attack healthy tissue in your body.\u003cbr\u003eHigh levels of rheumatoid factor in the blood are most often associated with autoimmune diseases, such as rheumatoid arthritis and Sjogren's syndrome.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRheumatoid Factor (RF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464722051346,"sku":"QST-121","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Rheumatoid-Factor-_RF_2d920a66-b859-42b1-b8a8-9a26b8cf19fb.webp?v=1776176376"},{"product_id":"hba1c-hemoglobin-a1c","title":"HBa1c (Hemoglobin A1c)","description":"\u003cp\u003e\u003cspan\u003eThe Hemoglobin A1c (HbA1c) test measures average blood glucose levels over the past three months and is commonly used to screen for prediabetes and type 2 diabetes. It serves as a reliable indicator of long-term glucose control and insulin sensitivity. HbA1c testing is especially useful for individuals with risk factors such as elevated blood pressure, excess body weight, or a sedentary lifestyle. Athletes and high performers may also use it to assess how efficiently their body is processing carbohydrates and managing metabolic demand over time.\u003c\/span\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464722477330,"sku":"QST-20","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/HbA1c-_Hemoglobin-A1c_e28bd7e6-7b2e-4c7a-8e1d-137ab56c0ac6.webp?v=1776176255"},{"product_id":"osteocalcin-serum","title":"Osteocalcin, Serum","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eOsteocalcin\u003c\/strong\u003e is a protein made by bone-forming cells (osteoblasts) and is commonly used as a marker of bone building and overall bone turnover. A serum osteocalcin test can help assess bone metabolism and response to interventions like resistance training, nutrition, or osteoporosis therapies when interpreted alongside other bone markers.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464723493138,"sku":"QST-111","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Osteocalcin_-Serum_e9ab28b0-68c2-4498-aa59-6c670b1328e1.webp?v=1776176394"},{"product_id":"homocysteine","title":"Homocysteine","description":"\u003cp\u003e\u003cb\u003eHomocysteine\u003c\/b\u003e is an amino acid and byproduct of methionine metabolism. High levels of homocysteine may indicate a vitamin deficiency or MTHFR gene mutation. 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Fructosamine may be useful in patients who have conditions that interfere with HbA1c measurement due to hemoglobin variants or recent blood loss\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464724148498,"sku":"QST-101","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Fructosamine_83840eb1-9012-49b1-aa0d-aa2c0fe1fc89.webp?v=1776176315"},{"product_id":"hcg-beta-subunit-qnt-serum","title":"hCG Beta subunit, Qnt, Serum","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ehCG Beta Subunit, Quantitative (Serum)\u003c\/b\u003e\u003c\/span\u003e measures the exact amount of \u003cspan class=\"s1\"\u003ebeta hCG\u003c\/span\u003e in your blood. hCG is a hormone most commonly produced during \u003cspan class=\"s1\"\u003epregnancy\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA quantitative result shows \u003cspan class=\"s1\"\u003ehow much\u003c\/span\u003e hCG is present, which can help assess very early pregnancy, \u003cmeta charset=\"UTF-8\"\u003ehelp assess \u003cspan class=\"s1\"\u003epregnancy progression\u003c\/span\u003e, or monitor hCG in specific medical situations as directed by your clinician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Blood Test:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehCG Beta subunit, Qnt, Serum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464727032082,"sku":"QST-71","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/hCG-Beta-Subunit_-Quantitative_36613157-208b-456b-9c6b-fd7cf6f03673.webp?v=1776176287"},{"product_id":"adma-lc-ms-sdma-lc-ms","title":"ADMA \u0026 SDMA [LC\/MS]","description":"\u003cp\u003e\u003cb\u003eAsymmetric dimethylarginine (ADMA)\u003c\/b\u003e is a naturally occurring by-product of protein methylation. 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A serum lipase test is commonly used to evaluate pancreatic irritation or inflammation, and elevated levels can point toward pancreatitis in the right clinical context\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":44464737222930,"sku":"QST-104","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Lipase_feaee11c-e022-44be-b0e2-ca11f122677c.webp?v=1776176343"}],"url":"https:\/\/marekdiagnostics.com\/collections\/lab-builder.oembed","provider":"Marek Diagnostics","version":"1.0","type":"link"}