← All tools

Tool

Claim Checker

Saw a bold claim about Ozempic, tirzepatide, retatrutide, muscle, or side effects? Paste it below — we match it to a human-reviewed answer, graded on the book's Evidence Ladder and tied to primary sources.

Try one:

Or browse all 60 graded claims →

The evidence behind this tool

This tool is grounded in the graded evidence library — not our opinion.