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Vendor Evaluation

How to judge a peptide vendor — transparency scoring, red flags, and head-to-head picks.

Amino Asylum Alternatives: 7 Graded Vendors (2026)

Amino Asylum was raided by the FDA in June 2025. Discover 7 graded alternatives with verified COAs, real transparency scores, and no affiliate bias.

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Best Peptide Company in 2026: 12 Vendors Ranked by Transparency

12 peptide companies ranked by our 5-signal transparency scoring model. See which vendors earned A-grade and which ones we don't recommend.

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Best Peptide Sites 2026: 5 Vendors That Passed Our COA Audit (18 Failed)

We audited 23 peptide supplier websites for COA access, named labs, and ownership transparency. Only 5 passed. See the scorecard and red flags.

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Independent peptide vendor rankings powered by Vendor Transparency Scores. We rank by verifiable data, not ad spend.

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Medical & research-use disclaimer. Peptide Grades provides vendor transparency assessments and price data for research-use peptides. We do not provide medical advice, diagnosis, or treatment recommendations. Research peptides are sold for laboratory and research use only and are not approved for human consumption. Consult a qualified healthcare provider before using any substance. See our editorial policy.

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Peptide Grades participates in affiliate programs. We may earn commissions on qualifying purchases. Rankings are determined exclusively by our proprietary Vendor Transparency Scores and are not influenced by affiliate relationships.