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Directory · Curated list · 593 suppliers

Suppliers with certificates of analysis

Two kinds of supplier appear here, and each card says which. Some have certificates of analysis we hold and have reviewed: batch, laboratory and date as documented. Others link a certificates-of-analysis page on their website that we have not yet reviewed; for those, the COA is the supplier's own claim.

Index updated 8 Nov 2026 · 25 verified · 446 state third-party testing · 593 with a COA page

  1. Solatide Biosciences logo

    Melbourne, Australia

    9.4
    5.0(2)25 products · Delivery 1-2 days in Australia · Ships to 36 countries
    Business & docs verifiedThird-party testing statedCOA confirmed with labCardBank transferCrypto

    We may earn a commission. How this works

  2. Zenic Labs logo
    #2

    Zenic Labs

    GB based

    United Kingdom, United Kingdom

    9.4
    5.0(1)129 products · Delivery 1–2 working days in the UK (Royal Mail Tracked 24) · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labCrypto

    We may earn a commission. How this works

  3. NuVion Health logo
    #3

    NuVion Health

    AU based

    Victoria, Australia

    9.3
    63 products · Delivery 1 to 2 business days in Australia, tracked express (regional areas can take longer) · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labCardBank transferCrypto

    We may earn a commission. How this works

  4. Alpha Peptides® logo

    Kent, United Kingdom

    9.3
    5.0(1)4.5 Trustpilot(16)46 products · Delivery 1-2 days · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labCardBank transfer

    We may earn a commission. How this works

  5. Remy Research logo
    #6

    Remy Research

    AE based

    Dubai, United Arab Emirates

    9.1
    91 products · Delivery Dubai: same day before 4 PM GST. Other emirates: 1–2 days; Saturday orders arrive Monday, no Sunday delivery. · Ships to 1 country
    Third-party testing statedCOAs reviewed✓ Verified ownerCardCrypto

    We may earn a commission. How this works

  6. APEX Biolabs logo
    #7

    APEX Biolabs

    GB based

    North East, United Kingdom

    9.1
    49 products · Delivery Fast 24 hour delivery (UK) . · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  7. Pioneer Research Peptides logo

    Greater London, United Kingdom

    9.1
    5.0(2)69 products · Delivery 1–2 working days in the UK on Royal Mail Tracked 24. International varies by destination. · Ships to 51 countries
    Third-party testing statedCOAs reviewed✓ Verified ownerBank transferCrypto

    We may earn a commission. How this works

  8. ExtolX logo
    #9

    ExtolX

    GB based

    England, United Kingdom

    8.9
    3.8 Trustpilot(2)38 products · Delivery Tracked 48 aims for 2–3 working days after dispatch; faster options at checkout. Processing time is additional. · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labBank transfer

    We may earn a commission. How this works

  9. Zenith Supply AU logo
    #10

    Zenith Supply AU

    AU based

    South Australia, Australia

    8.9
    5.0(1)72 products · Delivery 1 Working day Metro, 2 Working days regional · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  10. New-U Research Compounds logo

    Wyoming, United Kingdom

    8.9
    5.0(5)4.3 Trustpilot(8)779 products · Delivery 6-14 days worldwide · Ships to 36 countries
    Business & docs verifiedThird-party testing statedCOA page linked, not reviewedCardCrypto

    We may earn a commission. How this works

  11. Rivn Peptides logo
    #12

    Rivn Peptides

    US based

    TN, United States

    8.9
    5.0(1)4.9 Trustpilot(706)40 products · Delivery 2 days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferCryptoPayPal

    We may earn a commission. How this works

  12. Recherche Logistique logo

    Quebec, Canada

    8.8
    36 products · Delivery 1–2 business days after dispatch · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOAs reviewedCardBank transfer

    We may earn a commission. How this works

  13. ZENTRA Peptides logo
    #14

    ZENTRA Peptides

    GB based

    London, England, United Kingdom

    8.7
    4.7 Trustpilot(30)48 products · Delivery Royal Mail Tracked 24 aims for next-working-day delivery after dispatch; Tracked 48 aims for 2–3 working days. Delivery aims are estimates, excluding weekends and bank holidays. · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOAs reviewedBank transfer

    We may earn a commission. How this works

  14. Peak Lab Peptides logo

    South Dakota, United States

    8.7
    5.0(1)184 products · Delivery 1-4 days · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labCard

    We may earn a commission. How this works

  15. Frontier Aminos logo
    #16

    Frontier Aminos

    US based

    Wyoming, United States

    8.6
    33 products · Delivery 1 · Ships to 36 countries
    Business & docs verifiedThird-party testing statedCOA confirmed with labCardCrypto

    We may earn a commission. How this works

  16. Peptiva Peptides logo
    #17

    Peptiva Peptides

    HR based

    Croatia, Croatia

    8.6
    133 products · Delivery DPD In Croatia,DPD in Europe, BOX NOW parcel-locker delivery costs 1,59 € and takes 1–2 business days. · Ships to 31 countries
    Third-party testing statedCOAs reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  17. CryoPepLab logo
    #18

    CryoPepLab

    CN based

    Hong Kong, China

    8.6
    4.0(1)191 products · Delivery Shipping to US usually takes 5-7 days to deliver. · Ships to 9 countries
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transferCryptoPayPal

    We may earn a commission. How this works

  18. #19

    Lotus Peptide

    US based

    United States, East Coast, United States

    8.5
    120 products · Delivery US: tracked, processed within 1 business day. UK/EU: typically 2–5 days transit. · Ships to 15 countries
    Third-party testing statedCOAs reviewed✓ Verified ownerCardCrypto

    We may earn a commission. How this works

  19. Researched Peptides logo

    BC, Canada

    8.5
    5.0(1)19 products · Delivery 2 Business Day via Xpresspost Canada Post · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA confirmed with labCardBank transfer

    We may earn a commission. How this works

  20. Velonix Labs logo
    #21

    Velonix Labs

    GB based

    United Kingdom

    8.4
    30 products · Delivery 1-2 working days · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerBank transfer

    We may earn a commission. How this works

  21. BioSupply UK logo
    #22

    BioSupply UK

    GB based

    Dorset, United Kingdom

    8.4
    4.7 Trustpilot(108)27 products · Delivery 1-3 Days in the UK · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCard

    We may earn a commission. How this works

  22. Zenith Biopeptides logo

    OH, United States

    8.4
    4.5 Trustpilot(37)55 products · Delivery Delivery times depend on the destination; most U.S. orders arrive in 3 business days with standard services. · Ships to 2 countries
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transfer

    We may earn a commission. How this works

  23. Europa Peptides logo
    #24

    Europa Peptides

    NL based

    Noord-Brabant, Netherlands

    8.4
    5.0(1)26 products · Delivery 1-2 working days in NL, 2-5 working days in EU. · Ships to 11 countries
    COA confirmed with lab✓ Verified ownerCardBank transfer

    We may earn a commission. How this works

  24. INSTA PEPTIDER logo
    #26

    INSTA PEPTIDER

    SE based

    Stockholm, Sweden

    8.4
    5.0(1)12 products · Delivery 1–3 business days within Sweden · Ships to 1 country
    Business & docs verifiedCOA confirmed with labBank transfer

    We may earn a commission. How this works

  25. Naked Peptide Co logo
    #28

    Naked Peptide Co

    US based

    CA, United States

    8.3
    5.0(1)65 products · Delivery 3-5 Business Days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  26. SPX Labs logo
    #29

    SPX Labs

    GB based

    Northern Ireland, United Kingdom

    8.3
    4.3 Trustpilot(9)26 products · Delivery UK: 1–2 working days. Europe: delivery times shown at checkout · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  27. —

    8.2
    158 products · Delivery 4-5 working days · Ships to 36 countries
    Third-party testing statedCOAs reviewed✓ Verified ownerCardCryptoPayPal

    We may earn a commission. How this works

  28. Perth BioTech logo
    #31

    Perth BioTech

    AU based

    Western Australia, Australia

    8.2
    4.0 Trustpilot(3)57 products · Delivery Express - 1 day city. 2 days regional · Ships to 1 country
    Third-party testing statedCOAs reviewed✓ Verified ownerBank transferCrypto

    We may earn a commission. How this works

  29. Capstone Peptides logo

    Virginia, United States

    8.2
    25 products · Delivery Most orders arrive within 3 business days (FedEx 2-Day) · Ships to 1 country
    Third-party testing statedCOAs reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  30. GLP-123.COM logo
    #33

    GLP-123.COM

    US based

    USA, United States

    8.2
    35 products · Delivery 4 days · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOAs reviewedCardBank transferCrypto

    We may earn a commission. How this works

  31. Cobalt Peptides logo
    #34

    Cobalt Peptides

    GB based

    United Kingdom

    8.2
    170 products · Delivery 1–2 working days after dispatch · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  32. CertaPeptides logo
    #35

    CertaPeptides

    RO based

    Bucharest, Romania

    8.1
    4.6 Trustpilot(87)135 products · Delivery Romania 1–2 working days; most EU 3–7; UK 3–4; Nordics, Baltics, CY, MT, CH, IS, RS 8–14 · Ships to 31 countries
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerBank transfer

    We may earn a commission. How this works

  33. MKM Biolabs logo
    #37

    MKM Biolabs

    GB based

    England, United Kingdom

    8.1
    5.0(1)26 products · Delivery Estimated UK delivery is 2–4 business days from placing your order, including processing and delivery. · Ships to 1 country
    COA page linked, not reviewed✓ Verified owner

    We may earn a commission. How this works

  34. Optimal Lab logo
    #38

    Optimal Lab

    GB based

    South Wales, United Kingdom

    8.1
    263 products · Delivery 1to2 days · Ships to 2 countries
    COA page linked, not reviewed✓ Verified ownerCardPayPal

    We may earn a commission. How this works

  35. Canada Peptide Supply logo

    ON, Canada

    8.1
    78 products · Delivery Express 1–2 business days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerBank transferCryptoPayPal

    We may earn a commission. How this works

  36. JGPep+ logo
    #40

    JGPep+

    GB based

    Redhill, United Kingdom

    8.1
    4.3 Trustpilot(9)48 products · Delivery 1-2 working days
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferPayPal

    We may earn a commission. How this works

  37. Optimus Labs logo
    #41

    Optimus Labs

    GB based

    London, United Kingdom

    8.1
    28 products · Delivery 2-3 working days · Ships to 1 country
    Business & docs verifiedCOA page linked, not reviewedCard

    We may earn a commission. How this works

  38. Peptiva logo
    #43

    Peptiva

    CZ based

    Czechia

    8.0
    19 products · Delivery 3-5 business days · Ships to 26 countries
    Business & docs verifiedThird-party testing statedCOA confirmed with labBank transfer

    We may earn a commission. How this works

  39. Evolve Biolab UK logo
    #44

    Evolve Biolab UK

    GB based

    United Kingdom

    8.0
    4.6 Trustpilot(22)62 products · Delivery 1-2 working days in the UK · Ships to 36 countries
    Third-party testing statedCOA confirmed with lab✓ Verified ownerBank transfer

    We may earn a commission. How this works

  40. MI Bio logo
    #45

    MI Bio

    US based

    Michigan, United States

    8.0
    26 products · Delivery USPS Priority 1-3 business days; Priority Express 1-2 days · Ships to 1 country
    Business & docs verifiedCOAs reviewedCardPayPal

    We may earn a commission. How this works

  41. Owsa Labs logo
    #46

    Owsa Labs

    GB based

    United Kingdom

    8.0
    37 products · Delivery 1–2 working days in the UK · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardCrypto

    We may earn a commission. How this works

  42. Ultra Peptides logo
    #47

    Ultra Peptides

    GB based

    Manchester, United Kingdom

    8.0
    4.5 Trustpilot(15)72 products · Delivery 1-2 days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerBank transfer

    We may earn a commission. How this works

  43. Apex Laboratory logo
    #48

    Apex Laboratory

    US based

    FL, United States

    8.0
    5.0(1)139 products · Delivery 1–3 working days in the US. · Ships to 1 country
    Business & docs verifiedCOA page linked, not reviewedCard

    We may earn a commission. How this works

  44. Blackline Scientific logo

    Fl, United States

    8.0
    62 products · Delivery 2 Business Days · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardCryptoPayPal

    We may earn a commission. How this works

  45. Veratis logo
    #51

    Veratis

    US based

    United States

    7.9
    29 products · Delivery 3 to 5 business days standard, about 2 business days with 2-Day. · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  46. Pinnacle Peptide Labs logo

    Miam, FL, United States

    7.9
    28 products · Delivery 3-5 days for standard shipping · Ships to 1 country
    Third-party testing statedCOAs reviewed✓ Verified ownerCardBank transferCrypto

    We may earn a commission. How this works

  47. JD BioWorks logo
    #53

    JD BioWorks

    US based

    California, United States

    7.9
    21 products · Delivery FedEx 2Day on eligible U.S. orders after dispatch; carrier estimates are not guaranteed. · Ships to 1 country
    Third-party testing statedCOA confirmed with lab✓ Verified ownerBank transfer

    We may earn a commission. How this works

  48. V8 Peptides logo
    #54

    V8 Peptides

    US based

    Florida, United States

    7.9
    25 products · Delivery USPS Ground 3-5 business days; USPS Priority 1-3 business days · Ships to 1 country
    Third-party testing statedCOAs reviewed✓ Verified ownerCardCrypto

    We may earn a commission. How this works

  49. Elev8 Lab logo
    #57

    Elev8 Lab

    CA based

    Ontario, Canada

    7.9
    43 products · Delivery 1-3 days in Canada · Ships to 1 country
    Business & docs verifiedThird-party testing statedCOA page linked, not reviewedBank transfer

    We may earn a commission. How this works

  50. Optimal Peptides logo
    #58

    Optimal Peptides

    US based

    Florida, United States

    7.8
    38 products · Delivery 2-3 Days Depending on Shipping Option · Ships to 5 countries
    Business & docs verifiedCOAs reviewedCardBank transferCryptoPayPal

    We may earn a commission. How this works

  51. Claripep logo
    #59

    Claripep

    GB based

    GB, United Kingdom

    7.8
    17 products · Delivery 1–2 working days in the UK · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed✓ Verified owner

    We may earn a commission. How this works

  52. Pyrox Labs logo
    #60

    Pyrox Labs

    GB based

    london, United Kingdom

    7.8
    71 products · Delivery 1 · Ships to 36 countries
    Business & docs verifiedThird-party testing statedCOA page linked, not reviewedBank transfer

    We may earn a commission. How this works