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Peptide Half-LifePowered by Peptide Library

Privacy

Effective 2026-11-08.

Summary

Peptide Half-Life has no accounts, no forms and no advertising. You can use every tool without giving any personal information. Values you type into the calculator stay in your browser and are never sent anywhere.

Analytics

The site uses Google Analytics 4 and PostHog to count page views and interactions such as opening the explorer, selecting a compound or following a source link. Events carry only the page, the placement of a link and the id of a compound you selected. They never include values you type or anything about your health. IP addresses are anonymized in Google Analytics, advertising features are off, and session recording is off.

You can turn analytics off at any time with “Turn off analytics” in the footer. If your browser sends a Global Privacy Control signal, analytics stay off automatically.

Stored in your browser

  • Your theme preference and, if you turned analytics off, that choice (local storage).
  • Unless analytics are off, PostHog and Google Analytics identifiers.

Links to other sites

Links to Peptide Library and its sister sites carry campaign parameters (utm_source=peptidehalflife) so those sites can count visits that came from here. Their own privacy policies apply once you arrive.

Contact

Questions: support@peptidelibrary.app.