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Directory · Curated list · 92 suppliers

Suppliers with certificates of analysis

Two kinds of supplier appear here, and each card says which. Some have certificates of analysis we hold and have reviewed: batch, laboratory and date as documented. Others link a certificates-of-analysis page on their website that we have not yet reviewed; for those, the COA is the supplier's own claim.

Index updated 24 Sept 2026 · 0 verified · 81 state third-party testing · 92 with a COA page

Browse by region

  1. 61

    British Peptides

    GB based

    United Kingdom

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet40 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreProvisionalView profile →
  2. 62

    Ashenix

    GB based

    United Kingdom

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet10 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreProvisionalView profile →
  3. 63

    Peptide Products

    GB based

    United Kingdom

    COA page linked, not reviewed
    No reviews yet16 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreProvisionalView profile →
  4. 64

    Ascension Peptides

    US based

    United States · For USA deliveries, please allow 2–5 business days after payment is fully processed and released by your bank.

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet21 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreView profile →
  5. 65

    Research Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet39 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreProvisionalView profile →
  6. 66

    US Peptide Labs

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet13 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreProvisionalView profile →
  7. 67

    BioVanta Research

    GB based

    United Kingdom

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet22 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreProvisionalView profile →
  8. 68

    Core Research Peptides

    US based

    United States · Unopened, intact products returned within 14 days of delivery.

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet18 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreView profile →
  11. 71

    Elite AU Peptides

    AU based

    Australia

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet28 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreProvisionalView profile →
  12. 72

    Regentide

    US based

    United States

    COA page linked, not reviewed
    No reviews yet35 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreProvisionalView profile →
  13. 73

    Australian Peptides

    AU based

    Australia · Free delivery over $550 1–3 day express delivery Dispatched Australia-wide Certificates published for every peptide .

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet6 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreView profile →
  14. 74

    Orion Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet58 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreProvisionalView profile →
  15. 75

    LJ Synergy

    —

    COA page linked, not reviewed
    No reviews yet17 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreProvisionalView profile →
  16. 76

    Flex Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet14 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreProvisionalView profile →
  17. 77

    Precision Research UK

    GB based

    United Kingdom · dispatched within 24–48 hours

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet21 listed products

    Tracked since Sept 2026

    6.2/ 10PepFinder ScoreProvisionalView profile →
  18. 78

    Palmetto Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet17 listed products

    Tracked since Sept 2026

    6.2/ 10PepFinder ScoreProvisionalView profile →
  19. 79

    Neovia Peptides

    GB based

    United Kingdom · UK Next-Day Delivery .

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet19 listed products

    Tracked since Sept 2026

    6.1/ 10PepFinder ScoreView profile →
  20. 80

    Lifestyle Peptides

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet17 listed products

    Tracked since Sept 2026

    6.0/ 10PepFinder ScoreProvisionalView profile →
  21. 81

    Prime Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet23 listed products

    Tracked since Sept 2026

    6.0/ 10PepFinder ScoreProvisionalView profile →
  22. 82

    Claripep

    GB based

    United Kingdom

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet12 listed products

    Tracked since Sept 2026

    5.9/ 10PepFinder ScoreProvisionalView profile →
  23. 83

    Peptides Lab UK

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet50 listed products

    Tracked since Sept 2026

    5.9/ 10PepFinder ScoreProvisionalView profile →
  24. 84

    Perth BioTech

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet28 listed products

    Tracked since Sept 2026

    5.8/ 10PepFinder ScoreProvisionalView profile →
  25. 85

    Peptides UK 4U

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet33 listed products

    Tracked since Sept 2026

    5.7/ 10PepFinder ScoreProvisionalView profile →
  26. 86

    MY PEPTIDES

    — · delivery is standard, and worldwide shipping in 3–5 working days

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet9 listed products

    Tracked since Sept 2026

    5.5/ 10PepFinder ScoreView profile →
  27. 87

    BioLongevity Labs

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet19 listed products

    Tracked since Sept 2026

    5.4/ 10PepFinder ScoreProvisionalView profile →
  28. 88

    Boost Lab Australia

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet10 listed products

    Tracked since Sept 2026

    5.4/ 10PepFinder ScoreProvisionalView profile →
  29. 89

    Chameleon Peptides

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet21 listed products

    Tracked since Sept 2026

    –PepFinder ScoreView profile →
  30. 90

    R&D Peptides

    GB based

    United Kingdom

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet29 listed products

    Tracked since Sept 2026

    –PepFinder ScoreView profile →
  31. 91

    Orbitrex Peptides

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet19 listed products

    Tracked since Sept 2026

    –PepFinder ScoreView profile →
  32. 92

    Summit Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet17 listed products

    Tracked since Sept 2026

    –PepFinder ScoreView profile →