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Directory · Curated list · 502 suppliers

Suppliers publishing third-party testing

Suppliers that state independent (third-party) laboratory testing. Where we have reviewed the underlying certificates, each profile shows the laboratory, batch and date as documented.

Index updated 25 Sept 2026 · 0 verified · 502 state third-party testing · 366 with a COA page

Browse by region

  1. New-U Research Compounds logo
    #1

    New-U Research Compounds

    US based

    United States

    8.1Provisional
    3.7 Trustpilot(1)98 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  2. RS Bio Labs logo
    #2

    RS Bio Labs

    GB based

    England, United Kingdom

    8.0Provisional
    49 products · Delivery 1 Day · Ships to 36 countries
    Third-party testing statedClaimed
    View reviewVisit store
  3. Peptide Partners logo
    #3

    Peptide Partners

    US based

    United States

    8.0Provisional
    127 products · Delivery Email the images and a brief description to support@peptide.partners within 48 hours of the carrier's delivery timestamp.
    Third-party testing stated
    View reviewVisit store
  5. BioPep logo
    #5

    BioPep

    US based

    United States

    8.0Provisional
    4.5 Trustpilot(17)29 products
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  6. GenPeptide logo
    #6

    GenPeptide

    —

    7.9Provisional
    4.4 Trustpilot(30)47 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  7. Instant Peptides logo
    #7

    Instant Peptides

    US based

    United States

    7.7Provisional
    39 products · Delivery Estimated delivery times: 2 to 3 business days. · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  12. Blackline Scientific logo
    #12

    Blackline Scientific

    Fl, —

    7.6Provisional
    63 products · Delivery 2 Business Days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedClaimedCardCryptoPayPal
    View reviewVisit store
  13. Zenith Biopeptides logo
    #13

    Zenith Biopeptides

    —

    7.6Provisional
    4.5 Trustpilot(37)38 products · Delivery Delivery times depend on the destination; most U.S. orders arrive in 3 business days with standard services.
    Third-party testing statedCOA page linked, not reviewedCardBank transfer
    View reviewVisit store
  16. Reta Research logo
    #16

    Reta Research

    GB based

    United Kingdom

    7.5Provisional
    39 products · Delivery Royal Mail 24 aims to deliver within 24 hours of dispatch.
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  17. Licensed Peptides logo
    #17

    Licensed Peptides

    US based

    United States

    7.5Provisional
    254 products · Delivery ship today Most orders arrive in 1–2 business days
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  18. ONYX BIOLABS logo
    #18

    ONYX BIOLABS

    US based

    United States

    7.5Provisional
    4.4 Trustpilot(79)34 products
    Third-party testing statedCOA page linked, not reviewedBank transferCrypto
    View reviewVisit store
  20. Peptiology Global logo
    #20

    Peptiology Global

    —

    7.5Provisional
    46 products · Delivery UK orders usually arrive within 1–3 business days . · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  21. Platinum Peptides logo
    #21

    Platinum Peptides

    US based

    United States

    7.5Provisional
    3.7 Trustpilot(1)75 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  22. Simply Peptides logo
    #22

    Simply Peptides

    GB based

    United Kingdom

    7.4Provisional
    4.7 Trustpilot(60)59 products · Delivery dispatched within 2 working days
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  23. Xeno logo
    #23

    Xeno

    US based

    United States

    7.4Provisional
    3.3 Trustpilot(7)14 products
    Third-party testing statedCOA page linked, not reviewedCrypto
    View reviewVisit store
  24. Peak Peptides logo
    #24

    Peak Peptides

    —

    7.4Provisional
    Delivery Standard domestic delivery takes 1–2 business days.
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  29. #29

    Aussie Peptide Hub

    —

    7.3Provisional
    3.2 Trustpilot(1)29 products · Delivery SHIPPED WITHIN 48 HOURS · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  31. Palmetto Peptides logo
    #31

    Palmetto Peptides

    South Carolina, —

    7.3Provisional
    23 products · Delivery 2-3 business days (USPS Priority Mail) · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedClaimedPayPal
    View reviewVisit store
  32. Power Peptides logo
    #32

    Power Peptides

    GB based

    United Kingdom

    7.3Provisional
    79 products · Delivery Most UK orders are dispatched within 24 hours and arrive within 1–3 working days using tracked delivery. · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  33. Sparta Labs logo
    #33

    Sparta Labs

    US based

    South Carolina, United States

    7.3Provisional
    4.3 Trustpilot(7)36 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedClaimedCardCrypto
    View reviewVisit store
  34. Genetic Research logo
    #34

    Genetic Research

    GB based

    United Kingdom

    7.2Provisional
    4.0 Trustpilot(3)31 products · Delivery Next day shipping in the UK. · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  35. UK Peptide Lab logo
    #35

    UK Peptide Lab

    GB based

    United Kingdom

    7.2Provisional
    3.7 Trustpilot(16)52 products · Delivery Delivered in 1-2 working days
    Third-party testing statedCOA page linked, not reviewedBank transfer
    View reviewVisit store
  39. Elevr logo
    #39

    Elevr

    GB based

    United Kingdom

    7.2Provisional
    4.6 Trustpilot(19)16 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  41. 99PurityPeptides logo
    #41

    99PurityPeptides

    US based

    United States

    7.2Provisional
    4.8 Trustpilot(57)58 products · Delivery dispatch promptly via UPS within 1 to 3 business days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  42. saiyanmed logo
    #42

    saiyanmed

    —

    7.2Provisional
    92 products · Delivery Orders fulfilled from our US warehouse to US-based researchers typically arrive within 2–5 business days.
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  44. APEX Biolabs logo
    #44

    APEX Biolabs

    GB based

    United Kingdom

    7.1Provisional
    46 products · Delivery Fast 24 hour delivery (UK) .
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  46. NovaVitality logo
    #46

    NovaVitality

    GB based

    United Kingdom

    7.1Provisional
    3.9 Trustpilot(23)65 products · Delivery UK Delivery Tracked 24 (1 day) .
    Third-party testing statedCOA page linked, not reviewedCardBank transferPayPal
    View reviewVisit store
  47. RCHQ logo
    #47

    RCHQ

    US based

    United States

    7.1Provisional
    4.0 Trustpilot(4)22 products
    Third-party testing statedCOA page linked, not reviewedCardBank transferCryptoPayPal
    View reviewVisit store
  48. #48

    Healius Peptides

    —

    7.1Provisional
    3.2 Trustpilot(1)28 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  53. MuscleChem logo
    #53

    MuscleChem

    GB based

    United Kingdom

    7.1Provisional
    4.1 Trustpilot(13)32 products
    Third-party testing statedCardPayPal
    View reviewVisit store
  57. Peptidal logo
    #57

    Peptidal

    GB based

    United Kingdom

    7.0Provisional
    Delivery UK delivery usually takes 1–3 working days via Royal Mail or courier services. · Ships to 36 countries
    Third-party testing statedCardBank transferCryptoPayPal
    View reviewVisit store
  58. Precision Research UK logo
    #58

    Precision Research UK

    GB based

    United Kingdom

    7.0Provisional
    4.6 Trustpilot(22)31 products · Delivery dispatched within 24–48 hours
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  59. True Peptide Labs logo
    #59

    True Peptide Labs

    US based

    United States

    7.0Provisional
    4.2 Trustpilot(69)57 products · Delivery Free 2–5 day delivery on all orders over $250.
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  60. ezPeps logo
    #60

    ezPeps

    US based

    United States

    7.0Provisional
    4.8 Trustpilot(173)60 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store