Everyone online is suddenly injecting peptides. But almost nobody understands the scienceor the regulation. The FDA recently shifted several peptides off the Category 2 safety risk list tied to compounding rules. First, that The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian RFK Jr.'s peptide push could unleash risky drugs STAT First Opinion