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Directory · All regions · 92 suppliers

Research peptide suppliers

Every supplier we track, ranked by PepFinder Score: reliability, selection, pricing, delivery, support, website, payment options and customer reviews, each with its source shown. Sponsorship and paid plans never change a rating or a ranking.

Index updated 23 Sept 2026 · 92 listed · 0 verified · 68 state third-party testing · 59 with a COA page

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  1. 61

    LJ Synergy

    —

    COA page linked, not reviewed
    No reviews yet17 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreView profile →
  2. 62

    Research Peptides

    —

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

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreView profile →
  3. 63

    Flex Peptides

    —

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

    Tracked since Sept 2026

    6.5/ 10PepFinder ScoreView profile →
  7. 67

    Regentide

    US based

    United States

    COA page linked, not reviewed
    No reviews yet35 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreView profile →
  9. 69

    Prime Peptides

    —

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

    Tracked since Sept 2026

    6.4/ 10PepFinder ScoreView profile →
  10. 70

    Platinum Peptides

    — · shipped within 24 hours

    Third-party testing stated
    No reviews yet10 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreView profile →
  11. 71

    My Peptide

    —

    Third-party testing stated
    No reviews yet16 listed products

    Tracked since Sept 2026

    6.3/ 10PepFinder ScoreView profile →
  13. 73

    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 ScoreView profile →
  14. 74

    Orion Peptides

    —

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

    Tracked since Sept 2026

    6.2/ 10PepFinder ScoreView profile →
  15. 75

    Palmetto Peptides

    —

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

    Tracked since Sept 2026

    6.2/ 10PepFinder ScoreView profile →
  16. 76

    Amino Fuel Labs

    — · shipped items must also be reported within 15 days

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

    Tracked since Sept 2026

    6.1/ 10PepFinder ScoreView profile →
  18. 78

    Perth BioTech

    —

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

    Tracked since Sept 2026

    5.8/ 10PepFinder ScoreView profile →
  19. 79

    Peptides UK 4U

    —

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

    Tracked since Sept 2026

    5.7/ 10PepFinder ScoreView profile →
  20. 80

    MMPeptides

    —

    Third-party testing stated
    No reviews yet7 listed products

    Tracked since Sept 2026

    5.7/ 10PepFinder ScoreView profile →
  21. 81

    BioLongevity Labs

    US based

    United States

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

    Tracked since Sept 2026

    5.5/ 10PepFinder ScoreView profile →
  22. 82

    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

    5.4/ 10PepFinder ScoreView profile →
  25. 85

    Chameleon 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 →
  26. 86

    Peptides Lab UK

    —

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

    Tracked since Sept 2026

    –PepFinder ScoreView profile →
  27. 87

    Summit Peptides

    —

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet15 listed products

    Tracked since Sept 2026

    –PepFinder ScoreView profile →