How we rate vendors

  • The Peptide Rhino Rating is the average of all non-deleted, verified-author reviews submitted on this site, rounded to two decimals.
  • We do not modify or weight ratings based on a vendor's affiliate relationship.
  • External ratings are cached snapshots of public review sites. We refresh weekly and may flag a source as stale if our automated check detects a meaningful change; in that case the admin team reviews and updates the snapshot manually.
  • We do not scrape sites that prohibit it. Refreshes use a combination of public search snippets and admin-uploaded screenshots.
  • Vendors do not see, edit, or approve their Peptide Rhino Rating before publication.

About encyclopedia content

Peptide encyclopedia entries are initially drafted by AI from public research literature. Each entry shows the model used, the date drafted, and the date and name of any editor who reviewed it. Citations point to PubMed and ClinicalTrials.gov where users can verify primary sources. We do not invent paper titles or fabricate research data — when an AI cannot cite a real source, the entry is flagged for editor review rather than published.

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Peptide Rhino is an editorial directory of research peptide vendors. All content is for qualified researchers and laboratory professionals. Peptides described are not approved by the FDA for human or veterinary use. Nothing on this site is medical advice. Full disclaimer.