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Peptide vendors, ranked
Every vendor we have enough evidence to score, ordered by PVS. Scores come from third-party lab results, published certificates of analysis and community reports — weighted by the published methodology. We take no payment for placement.
353 vendors scored — 70 at 70 or above. Vendors we are still gathering evidence on are not listed here.
Lower-scored vendors
These score below 70. A low PVS usually reflects thin independent evidence as much as poor results — several are scored from a single lab test. Read the vendor page for what the score is actually built on before drawing a conclusion, and see the methodology for what each band means.