Optimal Peptides is a vendor that operates in both retail and bulk sales, with a minimum order quantity of one vial. It offers a catalogue of 30 peptides and provides third‑party COA testing through Vanguard Laboratories, reporting a purity of 99.8 % for the one peptide that has been tested. The vendor lists prices for about half of its catalogue, based on the observed offer count of 15 out of 30 peptides. No anecdotal feedback or known issues are currently recorded in the data.
Data last updated
Anecdotal signals
Testing coverage
We hold lab certificates for this vendor, but none of them correspond to a product currently in their catalogue — so we cannot confirm what is in any vial you could actually buy. Testing scores zero until that mapping exists. This one is on us as much as them.
Price
regional price-per-mg comparisons · prices checked 11d ago
We don't issue verdicts — we publish the evidence and let it speak. We hold 1 captured lab document (COAs) for this vendor. Our automated site audit has verified the vendor's published catalogue and COA surface. The sections on this page hold the evidence behind each of those numbers.
1 COA captured across 15 catalogue peptides (7% covered). Latest captured reports are from Vanguard Laboratories.