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Index

Vendor rankings 2026

Ranked 0–100 on published, sourced evidence. Every score ships with its coverage figure.

15 of 55 vendorsPublic COAWell-pricedClear
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RankScoreCoverageVendor

Rank 01

Next Gen Peptides

ILS Laboratories · 49 certificates

Extensively documented97%

Rank 02

Ascend Science

Kovera Labs and/or ILS Labs · 27 certificates

Extensively documented91%

Rank 03

PeptidePlugs

Freedom Diagnostics Testing · 103 certificates

Extensively documented90%
  1. 1Next Gen PeptidesILS Laboratories · 49 certificatesVerified labPublic COA58%Price idxExtensively documented97%Visit
  2. 5Ascend ScienceKovera Labs and/or ILS Labs · 27 certificatesVerified labPublic COA64%Price idxExtensively documented91%Visit
  3. 6PeptidePlugsFreedom Diagnostics Testing · 103 certificatesPublic COA55%Price idxExtensively documented90%Visit
  4. 7Hydro Research PeptidesILS Laboratories · 24 certificatesVerified labPublic COA45%Price idxExtensively documented89%Visit
  5. 14NeuroLabs ResearchNeuro Labs · 16 certificatesPublic COA94%Price idxWell documented86%Visit
  6. 16Good Science BioVanguard · 0 certificatesPublic COA64%Price idxWell documented75%Visit
  7. 17Ascension PeptidesKovera Labs · 32 certificatesPublic COA100%Price idxWell documented86%Visit
  8. 18Licensed PeptidesVanguard Laboratory · 15 certificatesPublic COA97%Price idxWell documented89%Visit
  9. 19Evo Labs ResearchKovera Labs · 3 certificatesPublic COA100%Price idxWell documented89%Visit
  10. 25True Research LabsTrue Research Labs · 0 certificatesPublic COA82%Price idxWell documented71%Visit
  11. 26GenX PeptidesLab named on certificates · 0 certificatesPublic COA86%Price idxWell documented68%Visit
  12. 28Improved PeptidesPrincipal Chemist · 6 certificatesPublic COA100%Price idxWell documented89%Visit
  13. 30Eternal PeptidesLab named on certificates · 0 certificatesPublic COA89%Price idxPartly documented65%Visit
  14. 31Biotech PeptidesLipotec S.A · 0 certificatesPublic COA91%Price idxPartly documented63%Visit
  15. 34Mile High CompoundsLaboratory A · 12 certificatesPublic COAEnforcement action93%Price idxPartly documented94%Visit

Scores are computed from stored data points, not entered by hand — rubric v1.10.0. Methodology →