About this site
VendorCOA is an independent ledger of research-peptide vendors: what they publish about testing, what independent labs found, what they charge per mg, and whether regulators have acted against them.
Why it exists
Buyers compare vendors using COA screenshots, Reddit threads and coupon pages, most of it undated and unsourced. Vendors appear, rebrand and close quickly: Peptide Sciences closed in March 2026, and the FDA sent two waves of warning letters to research-use-only sellers this year. We put the checkable facts in one place, with a date and a source on every line.
Editorial policy
- We cover testing, purity, price and logistics only. No dosing, usage, health or results content, and no testimonials.
- Every fact links to where we saw it and shows when we checked it. We label facts verified, reported or unverified.
- Rankings come from the published method. Commission never sets a score; see our disclosure.
- We cite independent testers such as Finnrick and link to their reports instead of copying them.
- We never post reviews written or paid for by vendors, and we don't remove accurate negative findings on request.
Corrections
Found something wrong or out of date? Email corrections@vendorcoa.com with the page and a source. We check it against the primary source, fix it and update the checked date. Material corrections are noted on the page.
Who runs it
Edited by The VendorCOA editors. We have one affiliate relationship, with DRYPtides, disclosed next to every DRYPtides link.