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Directory · Curated list · 59 suppliers

Suppliers publishing certificates of analysis

Suppliers that make certificates of analysis available. We record whether COAs are batch-specific, which laboratory issued them and when we last checked.

Index updated 23 Sept 2026 · 0 verified · 50 state third-party testing · 59 publish COAs

Browse by region

  1. 01

    Simply Peptides

    GB based

    United Kingdom · dispatched within 2 working days

    Third-party testing statedPublishes COAs
    No reviews yet45 listed products

    Tracked since Sept 2026

    8.4/ 10PepFinder ratingView profile →
  3. 03

    Bluum Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet43 listed products

    Tracked since Sept 2026

    8.0/ 10PepFinder ratingView profile →
  4. 04

    UK Peptide Lab

    GB based

    United Kingdom · Delivered in 1-2 working days

    Third-party testing statedPublishes COAs
    No reviews yet30 listed products

    Tracked since Sept 2026

    7.9/ 10PepFinder ratingView profile →
  5. 05

    Koi Research Labs LLC

    US based

    United States · shipped, or vials are missing, report it to [email protected] within 48 hours

    Third-party testing statedPublishes COAs
    No reviews yet21 listed products

    Tracked since Sept 2026

    7.8/ 10PepFinder ratingView profile →
  6. 06

    XL Peptides

    GB based

    United Kingdom · shipped out within 1-2 working days

    Publishes COAs
    No reviews yet17 listed products

    Tracked since Sept 2026

    7.8/ 10PepFinder ratingView profile →
  8. 08

    True Research Labs

    — · ship within 24 hours

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    7.7/ 10PepFinder ratingView profile →
  9. 09

    Pure Lab Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet49 listed products

    Tracked since Sept 2026

    7.5/ 10PepFinder ratingView profile →
  10. 10

    Aussie Peptide Hub

    — · SHIPPED WITHIN 48 HOURS

    Third-party testing statedPublishes COAs
    No reviews yet37 listed products

    Tracked since Sept 2026

    7.5/ 10PepFinder ratingView profile →
  11. 11

    Licensed Peptides

    US based

    United States · ship today Most orders arrive in 1–2 business days

    Third-party testing statedPublishes COAs
    No reviews yet169 listed products

    Tracked since Sept 2026

    7.4/ 10PepFinder ratingView profile →
  12. 12

    Panda Peptide

    — · ship within 1-2 business days

    Third-party testing statedPublishes COAs
    No reviews yet57 listed products

    Tracked since Sept 2026

    7.3/ 10PepFinder ratingView profile →
  16. 16

    EVO Research Australia

    — · delivery across Australia within 2-5 days

    Third-party testing statedPublishes COAs
    No reviews yet68 listed products

    Tracked since Sept 2026

    7.2/ 10PepFinder ratingView profile →
  18. 18

    Sparta Labs

    —

    Third-party testing statedPublishes COAs
    No reviews yet25 listed products

    Tracked since Sept 2026

    7.2/ 10PepFinder ratingView profile →
  21. 21

    Pureform Peptides

    AU based

    Australia

    Third-party testing statedPublishes COAs
    No reviews yet33 listed products

    Tracked since Sept 2026

    7.0/ 10PepFinder ratingView profile →
  22. 22

    Integrity Peptides

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

    Third-party testing statedPublishes COAs
    No reviews yet17 listed products

    Tracked since Sept 2026

    7.0/ 10PepFinder ratingView profile →
  25. 25

    Aussie Peptides

    AU based

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

    Third-party testing statedPublishes COAs
    No reviews yet34 listed products

    Tracked since Sept 2026

    6.9/ 10PepFinder ratingView profile →
  27. 27

    Honest Peptide

    —

    Third-party testing statedPublishes COAs
    No reviews yet12 listed products

    Tracked since Sept 2026

    6.9/ 10PepFinder ratingView profile →
  29. 29

    American Peptides

    — · delivered in 2–3 business days

    Third-party testing statedPublishes COAs
    No reviews yet40 listed products

    Tracked since Sept 2026

    6.8/ 10PepFinder ratingView profile →
  31. 31

    Liberty Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet37 listed products

    Tracked since Sept 2026

    6.8/ 10PepFinder ratingView profile →
  34. 34

    Xeno

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet14 listed products

    Tracked since Sept 2026

    6.7/ 10PepFinder ratingView profile →
  35. 35

    ONYX BIOLABS

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet21 listed products

    Tracked since Sept 2026

    6.7/ 10PepFinder ratingView profile →
  38. 38

    Evolve Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet40 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ratingView profile →
  40. 40

    British Peptides

    GB based

    United Kingdom

    Third-party testing statedPublishes COAs
    No reviews yet39 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ratingView profile →
  43. 43

    Flex Peptides

    —

    Third-party testing statedPublishes COAs
    No reviews yet14 listed products

    Tracked since Sept 2026

    6.5/ 10PepFinder ratingView profile →
  45. 45

    Regentide

    US based

    United States

    Publishes COAs
    No reviews yet35 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ratingView profile →
  46. 46

    Prime Peptides

    —

    Third-party testing statedPublishes COAs
    No reviews yet23 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ratingView profile →
  47. 47

    Precision Research UK

    GB based

    United Kingdom · dispatched within 24–48 hours

    Third-party testing statedPublishes COAs
    No reviews yet21 listed products

    Tracked since Sept 2026

    6.2/ 10PepFinder ratingView profile →
  48. 48

    Orion Peptides

    —

    Third-party testing statedPublishes COAs
    No reviews yet58 listed products

    Tracked since Sept 2026

    6.2/ 10PepFinder ratingView profile →
  50. 50

    Amino Fuel Labs

    — · shipped items must also be reported within 15 days

    Third-party testing statedPublishes COAs
    No reviews yet22 listed products

    Tracked since Sept 2026

    6.1/ 10PepFinder ratingView profile →
  51. 51

    Perth BioTech

    —

    Third-party testing statedPublishes COAs
    No reviews yet28 listed products

    Tracked since Sept 2026

    5.8/ 10PepFinder ratingView profile →
  52. 52

    Peptides UK 4U

    —

    Third-party testing statedPublishes COAs
    No reviews yet28 listed products

    Tracked since Sept 2026

    5.7/ 10PepFinder ratingView profile →
  53. 53

    BioLongevity Labs

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    5.5/ 10PepFinder ratingView profile →
  54. 54

    MY PEPTIDES

    — · delivery is standard, and worldwide shipping in 3–5 working days

    Third-party testing statedPublishes COAs
    No reviews yet9 listed products

    Tracked since Sept 2026

    5.4/ 10PepFinder ratingView profile →
  57. 57

    Chameleon Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    –PepFinder ratingView profile →