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Directory · Curated list · 459 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 24 Sept 2026 · 0 verified · 350 state third-party testing · 459 with a COA page

Browse by region

  5. #365

    Best-Peptides

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    100 products · Ships to 10 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transferCryptoPayPal
    View reviewVisit store
  13. #373

    UKPeptides

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    4.1 Trustpilot(64)22 products
    Third-party testing statedCOA page linked, not reviewedCardBank transfer
    View reviewVisit store
  17. #377

    LiveWell

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    37 products · Ships to 36 countries
    Third-party testing statedCOA page linked, not reviewedCardBank transfer
    View reviewVisit store
  23. #383

    PhaseOne

    AU based

    Australia

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    25 products · Ships to 1 country
    Third-party testing statedCOA page linked, not reviewed
    View reviewVisit store