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    PeptideAuthority
    Evidence literacy hub

    Peptide evidence — UK reader reference

    Most peptide marketing claims are far ahead of the evidence. This hub teaches you to read peptide evidence honestly — the A-E grading system, what counts as a human trial, the difference between mechanism and benefit, and the tools we publish to help.

    How we grade evidence

    Evidence grading methodology

    The full A-E system with R (regulatory) and S (sport) suffixes.

    Editorial standards

    Evidence hierarchy, source quality rules, review cadence.

    Data sources

    Primary sources we cite (and never cite).

    Evidence FAQ

    10 common questions about peptide evidence.

    Tools for evaluating evidence

    Evidence Explorer

    Filter the peptide library by evidence grade.

    Peptide Claim Checker

    Test a marketed claim against the evidence.

    Clinic Claims Checker

    Red-flag word scoring for clinic marketing.

    Citations tool

    Searchable database of cited research papers.

    Stack claim reviews

    Independent claim-vs-evidence analyses of combinations.

    Updates and corrections

    Evidence update log

    Most-recently-reviewed peptide profiles and guides.

    Regulatory update log

    MHRA / NICE / WADA actions affecting content.

    Correction log

    Public log of published corrections.

    How to use this site safely

    Reading guide for evidence grades and contradictions.

    Last reviewed:

    Next review due:

    Spotted an error or something out of date? Send a correction.