PEPTIDE VENDORS
Where should you actually buy?
Every rating on ONPEPS comes from the community: members score vendors on the six things that decide whether an order goes well — weighted by how much each one matters — so you can compare on real buyer experience, not vibes.
HOW COMMUNITY RATINGS WORK — WEIGHTED CRITERIA
TOTAL 100%30%COA & PURITY
20%TRANSPARENCY
15%SHIPPING
15%PAYMENTS
10%PRICING
10%SUPPORT
30%COA & PURITY
20%TRANSPARENCY
15%SHIPPING
15%PAYMENTS
10%PRICING
10%SUPPORT
COA & Purity
Per-batch certificates, independently verified.
Transparency
Public testing and clear, honest sourcing.
Shipping
Speed, cold-chain handling, and reliability.
Payments
Secure checkout, refunds, and buyer safety.
Pricing
Value measured per verified milligram.
Support
Responsiveness and how issues are handled.
VENDOR DIRECTORY
RATED BY THE COMMUNITY+ List a vendorLOCATION
§ 1,689 OF 1,689 VENDORS
SHOWING 60 OF 1,689
Ratings are submitted by community members from their own orders — ONPEPS does not rate vendors, does not sell peptides, and receives no commission from vendors. Community ratings are educational and not a purchase recommendation.
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PEPTIDE INFORMATION YOU CAN VERIFY© 2026 ONPEPS · AMSTERDAM, NETHERLANDS · NOT MEDICAL ADVICE