The official COA-pep website is coa-pep.com. It is the only place to buy peptides online directly from us, so check that the address in your browser matches before you order. Because our catalog is for laboratory research only, new visitors create an account and confirm they are 21 or older.

Once signed in, you can browse about 130 products, from lyophilized peptides for sale to bioregulators and peptide capsules. Every product page lists specs and published references. Each batch has a matching certificate of analysis, and our in-house support team is available by chat or email seven days a week. Start on our homepage to buy peptides from our USA-made, COA-tested catalog.