Research-grade peptides

Lyophilized research peptides, with third-party Certificates of Analysis posted by lot. For in vitro laboratory research use only.

For in vitro laboratory research use only. Not for human or animal use. Not sold as drugs, dietary supplements, foods or cosmetics. Sold only to qualified researchers and research institutions. We may ask you to verify your organization before we ship, and we cancel and refund any order we believe is for personal use.

BPC-157, TB-500 and BPC-157/TB-500 research peptides with public lot COAs. Ships within the U.S. Research use only.

Research compounds

Each product page shows its batch Certificate of Analysis.

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Bulk offers

Lower per-vial pricing on 5-packs

Five-vial packs at a lower per-vial price. Third-party Certificates of Analysis are on our COA page.

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Why researchers choose Peptix

Built for laboratory workflows

Peptides are supplied lyophilized, with a third-party Certificate of Analysis for every compound on our COA page.

Third-party lab testing

Each published lot is tested by a third-party laboratory, Freedom Diagnostics. Results are on our COA page.

Fulfilled in the U.S.

All products are fulfilled domestically.

Shipping

Orders ship out in 1–2 business days. Flat $10 shipping on standard orders. Free US shipping on orders of $250 or more (after discounts). Shipping Policy

Frequently asked questions

What are research peptides?

Research peptides are short chains of amino acids used for laboratory, in vitro, or analytical science work. They are not approved for human or veterinary use, and are intended solely for experimental or research purposes.

How should the peptides be stored?

Store lyophilized material in a cool, dry place, protected from light and moisture; refrigeration (about 4 °C) is recommended. Handling is the responsibility of the qualified research facility.

How long does shipping take?

Orders ship out in 1–2 business days. Delivery times depend on the carrier and destination. See our Shipping Policy for details.

What is your refund / return policy?

Orders can be cancelled for a full refund before they enter processing, or at any time before they ship if we have missed the ship time stated on our site, as described in section 5 of our Refund Policy. Once an order has been delivered, sales are final, except for damaged, incorrect or lost orders. See the Refund Policy for damaged or incorrect shipments.

Who is responsible for how the products are used?

All compounds sold by Peptix.io are for laboratory research use only and are not intended for human or animal use. By purchasing, you agree you are solely responsible for how these compounds are handled, stored, used, and disposed of.

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Research customers only

Peptix sells research materials only to qualified researchers and research institutions, for in vitro laboratory research. Not for human or animal use. By continuing, you confirm you are a researcher or are buying for a research organization, and that you are of legal age to enter a binding contract.