How we rate evidence

Each peptide page carries an evidence tag: Human RCT, Human observational, Preclinical, or Anecdotal. We default to the lowest tier the primary literature supports — not the highest tier marketing claims.

How we handle affiliates

Each peptide article ends with a small set of vendor links marked Sponsored. Those are affiliate links — if you buy through them, we earn a commission at no extra cost to you. We only link vendors with published third-party testing, and we disclose it at every placement. A vendor cannot pay to appear, pay for a higher rating, or pay us to cover a specific peptide.

What we don't do

  • We don't publish sourcing guides, vendor reviews, or rankings.
  • We don't estimate doses beyond what's in the peer-reviewed literature.
  • We don't advise on protocols. Talk to a clinician.
  • We don't accept sponsored content, guest posts, or paid edits to existing articles.

Contact

Corrections, citations we missed, or editorial feedback — reach us via the contact form. We update articles when better evidence appears and log the changes at the bottom of each piece.