The database of peptide vendor evidence
247 peptide vendors · 171 publish lab results · 151 with comparable prices. Every fact dated — last checked September 27, 2026. Money never changes a score.
Popular peptides
All 53 ›Top by evidence
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Pivot Labs Global
WooCommerce
- Evidence
- 78
- Price
- +53%
- COA page
- Yes
Alpha Peptides
WooCommerce
- Evidence
- 77
- Price
- −39%
- COA page
- Yes
BioLongevity Labs
WooCommerce
- Evidence
- 77
- Price
- +44%
- COA page
- Yes
Gen Peptide
WooCommerce
- Evidence
- 77
- Price
- —
- COA page
- Yes
Optima Supply
WooCommerce
- Evidence
- 77
- Price
- Typical
- COA page
- Yes
Prime Peptides
WooCommerce
- Evidence
- 77
- Price
- Typical
- COA page
- Yes
Hydro Research Peptides
WooCommerce
- Evidence
- 76
- Price
- −12%
- COA page
- Yes
Sports Technology Labs
WooCommerce
- Evidence
- 76
- Price
- +51%
- COA page
- Yes
Best prices — well-documented vendors (score 50+) cheapest vs typical price per mg
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VMAX Peptides
WooCommerce
- Evidence
- 61
- Price
- −41%
- COA page
- Yes
Alpha Peptides
WooCommerce
- Evidence
- 77
- Price
- −39%
- COA page
- Yes
Peptico
WooCommerce
- Evidence
- 60
- Price
- −38%
- COA page
- Yes
Puratek Peptides
WooCommerce
- Evidence
- 50
- Price
- −32%
- COA page
- Yes
Volta Peptides
custom/unknown
- Evidence
- 53
- Price
- −30%
- COA page
- Yes
Modern Research Peptides
WooCommerce
- Evidence
- 52
- Price
- −29%
- COA page
- Yes
Peptides Collective
WooCommerce
- Evidence
- 72
- Price
- −28%
- COA page
- Yes
My Amino Lab
WooCommerce
- Evidence
- 66
- Price
- −28%
- COA page
- Yes
How the Evidence Score works
Full method ›0–100 points for what a vendor publicly shows on its own website, checked and dated by PepAssess. Higher means more verifiable evidence — it is not a safety rating, and money (ads, affiliate deals, sponsorships) never changes it.
- up to 40pointsTesting evidenceRecent, ongoing lab reports the lab itself can verify, tied to lot numbers, covering identity, purity, sterility and endotoxin
- up to 30pointsBusiness transparencyLegal business name, real street address, email, phone, refund and shipping policies
- up to 15pointsBuyer protectionAccepts cards (chargeback recourse); clear research-use labeling
- up to 15pointsTrack recordHow long the website has existed (public registration records)
40 + 30 + 15 + 15 = 100 points possible.
66+ Strong evidence33–65 Moderate0–32 Limited
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