OP Peptides sells direct to researchers. It lists 5 products.
In its own words: “By entering OP Peptides, you confirm that you are at least 21 years of age. All products offered on this website are intended for laboratory research purposes only. They are not for human consumption, medical use, veterinary use, or household use. The products are not drugs, food, or dietary supplements and have not been evaluated or approved by the U.S. Food and Drug Administration (FDA) or any other regulatory auth”
We found no test results or certificates anywhere on OP Peptides's site.
Prices run from $79.00 to $129.00 across 5 listed products.
Worth knowing before you order: no published COAs. We found no certificates of analysis or third-party test results anywhere on the site.
Site check: 5 products listed.
OP Peptides is listed as active. Tracked by Finnrick with 1 unlisted tests.
| Status | Active |
|---|---|
| Vendor type | Research-use supplier |
These details were read from OP Peptides's own website on 2026-08-10. Pages consulted:
We hold no independent testing, published certificates, or ratings for OP Peptides, so we cannot tell you whether it is legitimate. That is an absence of evidence, not evidence of a scam — it means nobody has tested it.
We hold no independent third-party assays for OP Peptides. Any purity figure it publishes is self-reported unless it names the lab that produced it.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Other reviewed vendors: Open Gate - CA Peptides Review, opengatelabs Peptides Review, Optima Chemical Supplies Inc Peptides Review.