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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. 31

    Imperial Peptides UK

    GB based

    United Kingdom

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

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  2. 32

    Pureform Peptides

    AU based

    Australia

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

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  3. 33

    Integrity Peptides

    — · Delivery Time Delivery typically takes 1-4 business days

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

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  5. 35

    Peptide Warehouse

    —

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

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  7. 37

    PharmaLabGlobal

    — · delivery? Orders are processed within 24-48 hours

    No reviews yet105 listed products

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  8. 38

    NCRP

    — · shipped within 24 hours

    No reviews yet10 listed products

    Tracked since Sept 2026

    7.0/ 10PepFinder ScoreView profile →
  10. 40

    Aussie Peptides

    AU based

    Australia · dispatch, standard shipping typically takes 3–7 business days

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet34 listed products

    Tracked since Sept 2026

    6.9/ 10PepFinder ScoreView profile →
  13. 43

    Honest Peptide

    —

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

    Tracked since Sept 2026

    6.9/ 10PepFinder ScoreView profile →
  16. 46

    American Peptides

    — · delivered in 2–3 business days

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

    Tracked since Sept 2026

    6.8/ 10PepFinder ScoreView profile →
  18. 48

    Liberty Peptides

    US based

    United States

    Third-party testing statedCOA page linked, not reviewed
    No reviews yet37 listed products

    Tracked since Sept 2026

    6.8/ 10PepFinder ScoreView profile →
  19. 49

    Durham Peptides

    —

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

    Tracked since Sept 2026

    6.8/ 10PepFinder ScoreView profile →
  21. 51

    Xeno

    US based

    United States

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

    Tracked since Sept 2026

    6.7/ 10PepFinder ScoreView profile →
  22. 52

    ONYX BIOLABS

    US based

    United States

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

    Tracked since Sept 2026

    6.7/ 10PepFinder ScoreView profile →
  24. 54

    Peptides UK

    —

    COA page linked, not reviewed
    No reviews yet23 listed products

    Tracked since Sept 2026

    6.7/ 10PepFinder ScoreView profile →
  26. 56

    Evolve Peptides

    US based

    United States

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

    Tracked since Sept 2026

    6.6/ 10PepFinder ScoreView profile →
  27. 57

    Peptide Products

    GB based

    United Kingdom

    COA page linked, not reviewed
    No reviews yet12 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ScoreView profile →
  28. 58

    British Peptides

    GB based

    United Kingdom

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

    Tracked since Sept 2026

    6.6/ 10PepFinder ScoreView profile →
  29. 59

    PSPeptides™

    — · Shipped Shipped Same Day Most Orders Shipped Within 2-24 Hours

    Third-party testing stated
    No reviews yet53 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ScoreView profile →