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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

  3. BioLongevity Labs logo
    #63

    BioLongevity Labs

    US based

    United States

    6.3Provisional
    49 products · Ships to 31 countries
    Third-party testing statedCOA page linked, not reviewedBank transfer
    View reviewVisit store
  4. PSPeptides™ logo
    #64

    PSPeptides™

    US based

    United States

    6.3Provisional
    4.2 Trustpilot(175)82 products · Delivery Shipped Shipped Same Day Most Orders Shipped Within 2-24 Hours · Ships to 32 countries
    Third-party testing stated
    View reviewVisit store
  5. NextGenPeps logo
    #65

    NextGenPeps

    US based

    United States

    6.3Provisional
    3.4 Trustpilot(23)72 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  7. NEOPEPS logo
    #67

    NEOPEPS

    US based

    United States

    6.3Provisional
    27 products
    Third-party testing statedCOA page linked, not reviewedBank transferCrypto
    View reviewVisit store
  11. Blank Peptides logo
    #71

    Blank Peptides

    US based

    United States

    6.2Provisional
    52 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  13. #73

    Research Chemical

    US based

    United States

    6.1Provisional
    5 products · Delivery Next Day Shipping Available .
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  14. Amp Peptides logo
    #74

    Amp Peptides

    US based

    United States

    6.1Provisional
    26 products · Delivery If your order arrives damaged or incorrect, contact info@amp-peptides.com within 7 days of delivery with photos and your order number, and we will resolve the issue.
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  15. EZ PEPTIDE logo
    #75

    EZ PEPTIDE

    US based

    United States

    6.1Provisional
    36 products
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  16. Peptide Pros logo
    #76

    Peptide Pros

    US based

    United States

    6.1Provisional
    107 products · Delivery We ask you allow up to 14 days for domestic and 45 days for international orders for delivery to ensure your parcel has not simply been delayed – especially since Covid creates some delays in certain
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  20. Neurogan Health logo
    #80

    Neurogan Health

    US based

    United States

    5.9
    11 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  21. #81

    Core Research Peptides

    US based

    United States

    5.8Provisional
    18 products · Delivery Unopened, intact products returned within 14 days of delivery. · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  22. Try Hero Research logo
    #82

    Try Hero Research

    US based

    United States

    5.8Provisional
    25 products · Delivery Skip to content NEXT DAY SHIPPING +99% PURITY USA CERTIFIED NEXT DAY SHIPPING +99% PURITY USA CERTIFIED NEXT DAY SHIPPING +99% PURITY USA CERTIFIED .
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store
  25. PX1 Research logo
    #85

    PX1 Research

    US based

    United States

    5.7Provisional
    3.8 Trustpilot(2)100 products
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  26. Ares Research logo
    #86

    Ares Research

    US based

    United States

    5.7Provisional
    3.6 Trustpilot(37)138 products
    Third-party testing statedCOA page linked, not reviewedCrypto
    View reviewVisit store
  27. Frontier Aminos logo
    #87

    Frontier Aminos

    US based

    United States

    5.7Provisional
    18 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  35. Improved Peptides logo
    #95

    Improved Peptides

    US based

    United States

    5.1Provisional
    3.8 Trustpilot(2)23 products
    Third-party testing statedCOA page linked, not reviewedCardPayPal
    View reviewVisit store
  38. Peptidology logo
    #98

    Peptidology

    US based

    United States

    –
    4.8 Trustpilot(179)54 products
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  39. CellPeptides logo
    #99

    CellPeptides

    US based

    United States

    –
    Ships to 34 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
    View reviewVisit store
  40. oupeptide.com logo
    #100

    oupeptide.com

    US based

    United States

    –
    18 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCryptoPayPal
    View reviewVisit store
  42. Clavicular Peptides logo
    #102

    Clavicular Peptides

    US based

    United States

    –
    Delivery QSC maintains a US domestic warehouse with 2–5 business day delivery and no customs clearance required.
    Third-party testing statedCOA page linked, not reviewedBank transferCrypto
    View reviewVisit store
  47. RS Bio Labs logo
    #107

    RS Bio Labs

    GB · ships to US

    England, United Kingdom

    8.1Provisional
    49 products · Delivery 1 Day · Ships to 36 countries
    Third-party testing statedClaimed
    View reviewVisit store
  48. GenPeptide logo
    #108

    GenPeptide

    —

    8.0Provisional
    4.4 Trustpilot(30)47 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCardCrypto
    View reviewVisit store
  49. Blackline Scientific logo
    #109

    Blackline Scientific

    Fl, —

    7.9Provisional
    63 products · Delivery 2 Business Days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedClaimedCardCryptoPayPal
    View reviewVisit store
  50. Peptiology Global logo
    #110

    Peptiology Global

    —

    7.8Provisional
    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
  52. Power Peptides logo
    #112

    Power Peptides

    GB · ships to US

    United Kingdom

    7.5Provisional
    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
  53. Palmetto Peptides logo
    #113

    Palmetto Peptides

    South Carolina, —

    7.4Provisional
    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
  56. Genetic Research logo
    #116

    Genetic Research

    GB · ships to US

    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
  57. True Research Labs logo
    #117

    True Research Labs

    —

    7.2Provisional
    4.1 Trustpilot(151)38 products · Delivery ship within 24 hours · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewedCard
    View reviewVisit store
  59. NEXAPH logo
    #119

    NEXAPH

    —

    7.1Provisional
    3.9 Trustpilot(73)41 products · Ships to 2 countries
    Third-party testing statedCard
    View reviewVisit store
  60. ZENTRA Peptides logo
    #120

    ZENTRA Peptides

    GB · ships to US

    United Kingdom

    7.0Provisional
    4.6 Trustpilot(18)49 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transfer
    View reviewVisit store