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Directory · Curated list · serving the US · 171 suppliers

Suppliers publishing third-party testing serving the US

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. Showing stores based in or shipping to the US, those based there first. Show all regions.

Index updated 25 Sept 2026 · 0 verified · 171 state third-party testing · 139 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
  3. BioPep logo
    #3

    BioPep

    US based

    United States

    8.1Provisional
    4.5 Trustpilot(17)29 products
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  4. Peptide Partners logo
    #4

    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
  6. Instant Peptides logo
    #6

    Instant Peptides

    US based

    United States

    7.8Provisional
    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
  8. ONYX BIOLABS logo
    #8

    ONYX BIOLABS

    US based

    United States

    7.6Provisional
    4.4 Trustpilot(79)34 products
    Third-party testing statedCOA page linked, not reviewedBank transferCrypto
    View reviewVisit store
  10. Licensed Peptides logo
    #10

    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
  13. Sparta Labs logo
    #13

    Sparta Labs

    US based

    South Carolina, United States

    7.5Provisional
    4.3 Trustpilot(7)36 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedClaimedCardCrypto
    View reviewVisit store
  14. Platinum Peptides logo
    #14

    Platinum Peptides

    US based

    United States

    7.4Provisional
    3.7 Trustpilot(1)75 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  16. Xeno logo
    #16

    Xeno

    US based

    United States

    7.3Provisional
    3.3 Trustpilot(7)14 products
    Third-party testing statedCOA page linked, not reviewedCrypto
    View reviewVisit store
  19. True Peptide Labs logo
    #19

    True Peptide Labs

    US based

    United States

    7.2Provisional
    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
  20. 99PurityPeptides logo
    #20

    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
  21. RCHQ logo
    #21

    RCHQ

    US based

    United States

    7.2Provisional
    4.0 Trustpilot(4)22 products
    Third-party testing statedCOA page linked, not reviewedCardBank transferCryptoPayPal
    View reviewVisit store
  22. ezPeps logo
    #22

    ezPeps

    US based

    United States

    7.2Provisional
    4.8 Trustpilot(173)60 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  28. Peptide Warehouse logo
    #28

    Peptide Warehouse

    US based

    United States

    7.1Provisional
    4.2 Trustpilot(26)33 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCrypto
    View reviewVisit store
  30. Panda Peptides logo
    #30

    Panda Peptides

    US based

    United States

    7.0Provisional
    4.8 Trustpilot(77)51 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  34. American Peptides logo
    #34

    American Peptides

    US based

    United States

    6.9Provisional
    3.1 Trustpilot(13)74 products · Delivery delivered in 2–3 business days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  36. Leo Research logo
    #36

    Leo Research

    US based

    United States

    6.9Provisional
    58 products · Delivery Please allow 48 hours for final delivery resolution. · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  37. GLP1 Research Lab logo
    #37

    GLP1 Research Lab

    US based

    United States

    6.9Provisional
    18 products · Delivery Domestic (U.S.) delivery typically takes 2–5 business days after processing, depending on FedEx service level and destination.
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  40. RetaOne Labs logo
    #40

    RetaOne Labs

    US based

    United States

    6.9Provisional
    3.5 Trustpilot(12)21 products
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  41. Peptide Giants logo
    #41

    Peptide Giants

    US based

    United States

    6.8Provisional
    4.6 Trustpilot(63)75 products
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  42. Ascension Peptides logo
    #42

    Ascension Peptides

    US based

    United States

    6.8Provisional
    4.8 Trustpilot(78)34 products · Delivery For USA deliveries, please allow 2–5 business days after payment is fully processed and released by your bank. · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  44. Glacier Aminos logo
    #44

    Glacier Aminos

    US based

    United States

    6.8Provisional
    4.6 Trustpilot(116)155 products
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  46. Proxiva Peptides logo
    #46

    Proxiva Peptides

    US based

    United States

    6.7Provisional
    41 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardBank transfer
    View reviewVisit store
  52. Puritide Research logo
    #52

    Puritide Research

    US based

    United States

    6.5Provisional
    66 products · Delivery How fast do orders ship? + Orders ship from the USA by UPS and arrive in 1 to 5 business days.
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  53. 20 Aminos logo
    #53

    20 Aminos

    US based

    United States

    6.5Provisional
    8 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  54. NuRev Peptides logo
    #54

    NuRev Peptides

    US based

    United States

    6.5Provisional
    4.5 Trustpilot(20)47 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  55. Royal Peptides logo
    #55

    Royal Peptides

    US based

    United States

    6.5Provisional
    212 products
    Third-party testing statedCOA page linked, not reviewedBank transferCrypto
    View reviewVisit store
  57. Solas Science logo
    #57

    Solas Science

    US based

    United States

    6.5Provisional
    4.7 Trustpilot(29)28 products
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  58. Lifestyle Peptides logo
    #58

    Lifestyle Peptides

    US based

    United States

    6.4Provisional
    3.9 Trustpilot(9)18 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  59. #59

    Glow Lab Protocols

    US based

    United States

    6.4Provisional
    75 products · Delivery Never arrived 14 days after we shipped it (US)? · Ships to 1 country
    Third-party testing statedPayPal
    View reviewVisit store
  60. EZ Peptides logo
    #60

    EZ Peptides

    US based

    United States

    6.4Provisional
    46 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store