Welcome to KOI
Join our researcher list — 20% off your first lab order
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• ≥99% purity target • Third-party tested • COA per batch • Fast US shipping
A bulk program for universities, CROs, biotech teams, and qualified distributors — sourced in the USA, verified per lot against a ≥99% HPLC purity target, with tiered pricing, lot reservation, and white-label options.
Academic, government, and private labs running in-vitro studies and analytical reference work.
Contract research organisations and biotech teams needing documented reference standards across multi-year studies.
Licensed distributors and resellers serving research and analytical end users in regulated jurisdictions.
Reserve a specific lot for the length of your study. We hold it; you call it forward — no batch drift across timepoints.
Volume pricing that steps down at 50 / 100 / 250 / 500 units, with custom quotes for repeat orders.
Audit-ready paperwork for regulatory review or publication. COA, chromatograms, and net-content per lot.
A direct line to a research account manager for documentation and custom batches — not a ticket queue.
Tiered across 60+ compounds & blends — peptides, GLP-1 / metabolic, recovery & repair, growth hormone, and multi-peptide stacks. Per-lot COA · Net-30 for verified accounts.
Send the compounds, doses, and volumes you need — we'll return a personalized line sheet, typically within one business day.

Our most-requested blends — like the KLOW stack — produced to ≥99% purity, lyophilized, with a per-lot COA and chromatogram. Reserve a lot and call it forward across timepoints.
Custom-labeled vials to your artwork, internal lot codes, and cap colors. Typically 7–14 business days from artwork approval.
Crude to >99% purity with modifications — phosphorylation, biotinylation, fluorescent tags, non-standard residues.
Multi-peptide blends and non-standard vial sizes by pre-order. Most requests quoted the same business day.
Submit the form below with your company and verification details.
We review institutional credentials and intended use within two business days.
Your tier and pricing are issued with account credentials and an NDA if requested.
Place orders through your portal with reserved stock and direct account support.
Made in the USA, third-party tested, with public lot-matched COAs. Get restock, pricing, and new-compound alerts — straight to your inbox.
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Create an AccountWelcome to KOI
Join our researcher list and we'll email your code right away.
• ≥99% purity target • Third-party tested • COA per batch • Fast US shipping