premium quality
Research Grade Peptides
Third-party tested. Full documentation. Fast priority shipping from our USA based facility.
I absolutely love this company. Real legitimate products, easy to access calculator guides, and fast shipping…
Great company… customer service was amazing and the product was delivered within 2 days… couldn’t be happier!!
I genuinely appreciate how transparent and reliable this peptide company is- any issue I’ve encountered has been quickly resolved by their customer support. Shipping/processing time is fast and their packaging is discrete and professional as well…
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Certificates of analysis
Transparency You Can Trust
All products are supported by third-party laboratory testing and documented Certificates of Analysis. These reports confirm compound identity and purity, giving you direct access to the same data we use for internal quality verification.
premium quality
Next-Generation Research Peptides
Experience a breakthrough in research with our advanced peptide formulations. Crafted for scientists who demand the extraordinary.
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FAQ
Still need help?
Can’t find what you’re looking for? We’ve got you covered. Reach out to our team and we’ll get back to you with everything you need to know
What are peptides?
Peptides are short chains of amino acids that act as building blocks of proteins.
How much bacteriostatic water should I use to reconstitute?
Please use the BAC Water Calculator to determine how much Bacteriostatic water to add to your peptide.
How do I reconstitute my peptides?
Check out our guide on reconstitution.
Calculate reconstitution with the Peptide Calculator.
How long do peptides last?
Please refer to this article we created to find out how long your peptides will last and how to store them.
How should I store my peptides?
Please refer to this article we created to find out how long your peptides will last and how to store them.
What dose should I take?
We provide peptides for research purposes only and we don’t give out any medical advice. Please conduct independent research or speak to a licensed medical professional.
How soon will my order ship?
We ship daily Monday through Saturday. All orders placed before 1pm ship the same-day. All orders ship with Fedex 2-day air. Please note we cannot ship to PO boxes, only commercial and residential addresses. Please reach out to customer service with any issues related to shipping delays or mis-deliveries.
How can I track my order?
When your order ships, you will receive an automatic email with a link to track your order with Fedex
Do you ship internationally?
We are only shipping within the US at the moment. Please note we cannot ship to PO boxes, only commercial and residential addresses.
How is purity verified at Prime Peptides?
All of our products undergo rigorous third-party mass spectrometry testing with Janoshik Analytical.
Where can I find the COA for my batch?
You can view all of our current active COAs on our COA page as well as at the bottom of the product page for the peptide.
How do I verify my COA with Janoshik?
Please go to https://janoshik.com/verify/ and enter the task number and unique key found on your COA. Please note that this is a different code than the batch numbers we use internally to track batches.
Why is there no liquid in my vial of peptides?
Our peptides are lyophilized (freeze dried) for shelf stability during shipping and handling, to ensure they arrive to you with maximally potent. They require bacteriostatic water for research use. Please view our FAQs on reconstitution for resources on mixing.
Where are you located?
Our office is located in Southern California.
Where do you source your peptides from?
Please read our article on the Sourcing page.
What is your return policy?
We are happy to accept returns of unopened vials within a month of purchase. To initiate a return request or refund request, log in to your account using the same email address used at checkout. Navigate to the My Account page, select the Orders tab, and click Return Request next to the relevant order. Complete the return request form, and our team will respond within 1–2 business days. We will issue a full refund when we receive the return package and can restock the inventory.
What should I do if my purchase arrives damaged or defective?
We are always happy to make things right in this situation, please submit the Exchange Request Form and we will send a replacement in 1-2 business days.
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