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Vendor rankings 2026

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

34 of 55 vendorsPublic COAClear
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RankScoreCoverageVendor

Rank 01

Receptor Chem

Lab named on certificates · 0 certificates

Partly documented42%

Rank 02

Loti Labs

Lab named on certificates · 0 certificates

Partly documented45%

Rank 03

Xcel Peptides

Lab named on certificates · 0 certificates

Partly documented49%
  1. 41Receptor ChemLab named on certificates · 0 certificatesPublic COA—Price idxPartly documented42%Visit
  2. 39Loti LabsLab named on certificates · 0 certificatesPublic COA—Price idxPartly documented45%Visit
  3. 38Xcel PeptidesLab named on certificates · 0 certificatesPublic COAEnforcement action—Price idxPartly documented49%Visit
  4. 37Aspire PeptidesLab named on certificates · 0 certificatesPublic COA—Price idxPartly documented43%Visit
  5. 36Blue Sky PeptideLab named on certificates · 0 certificatesPublic COA—Price idxPartly documented37%Visit
  6. 35Extreme PeptidesRichard Sylvester MD · 4 certificatesPublic COA118%Price idxPartly documented82%Visit
  7. 34Mile High CompoundsLaboratory A · 12 certificatesPublic COAEnforcement action93%Price idxPartly documented94%Visit
  8. 33Evolve PeptidesLab named on certificates · 0 certificatesPublic COA102%Price idxPartly documented67%Visit
  9. 32BioLongevity LabsLab named on certificates · 0 certificatesPublic COA125%Price idxPartly documented74%Visit
  10. 31Biotech PeptidesLipotec S.A · 0 certificatesPublic COA91%Price idxPartly documented63%Visit
  11. 30Eternal PeptidesLab named on certificates · 0 certificatesPublic COA89%Price idxPartly documented65%Visit
  12. 29Disguised AlphaLab named on certificates · 0 certificatesPublic COA—Price idxPartly documented50%Visit
  13. 28Improved PeptidesPrincipal Chemist · 6 certificatesPublic COA100%Price idxWell documented89%Visit
  14. 27Vertex LabsFreedom Diagnostics Testing · 21 certificatesPublic COA149%Price idxWell documented70%Visit
  15. 26GenX PeptidesLab named on certificates · 0 certificatesPublic COA86%Price idxWell documented68%Visit
  16. 25True Research LabsTrue Research Labs · 0 certificatesPublic COA82%Price idxWell documented71%Visit
  17. 24Simple PeptideWhite Lyophilized Powder Analytical · 28 certificatesPublic COA150%Price idxWell documented89%Visit
  18. 22Paramount PeptidesLab named on certificates · 0 certificatesPublic COA—Price idxWell documented56%Visit
  19. 21PeptimeFreedom Diagnostics Testing · 4 certificatesPublic COA—Price idxWell documented59%Visit
  20. 20Swiss ChemsJanoshik · 0 certificatesVerified labPublic COAEnforcement action—Price idxWell documented63%Visit
  21. 19Evo Labs ResearchKovera Labs · 3 certificatesPublic COA100%Price idxWell documented89%Visit
  22. 18Licensed PeptidesVanguard Laboratory · 15 certificatesPublic COA97%Price idxWell documented89%Visit
  23. 17Ascension PeptidesKovera Labs · 32 certificatesPublic COA100%Price idxWell documented86%Visit
  24. 16Good Science BioVanguard · 0 certificatesPublic COA64%Price idxWell documented75%Visit
  25. 14NeuroLabs ResearchNeuro Labs · 16 certificatesPublic COA94%Price idxWell documented86%Visit
  26. 12Northline LabsILS Laboratories · 27 certificatesVerified labPublic COA129%Price idxWell documented93%Visit
  27. 10American PeptidesBioviridian Inc. · 39 certificatesVerified labPublic COA114%Price idxWell documented100%Visit
  28. 8Prime PeptidesPass Analytical · 9 certificatesVerified labPublic COAEnforcement action—Price idxExtensively documented80%Visit
  29. 7Hydro Research PeptidesILS Laboratories · 24 certificatesVerified labPublic COA45%Price idxExtensively documented89%Visit
  30. 6PeptidePlugsFreedom Diagnostics Testing · 103 certificatesPublic COA55%Price idxExtensively documented90%Visit
  31. 5Ascend ScienceKovera Labs and/or ILS Labs · 27 certificatesVerified labPublic COA64%Price idxExtensively documented91%Visit
  32. 3Polaris PeptidesAnthony Burke PhD Lab · 50 certificatesVerified labPublic COA—Price idxExtensively documented77%Visit
  33. 2CuroBTLabs · 17 certificatesVerified labPublic COA—Price idxExtensively documented77%Visit
  34. 1Next Gen PeptidesILS Laboratories · 49 certificatesVerified labPublic COA58%Price idxExtensively documented97%Visit

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