Approved medicine
By September 2026, the FDA had approved semaglutide medicines Ozempic and Wegovy, along with tirzepatide medicines Mounjaro and Zepbound.
Learn the termsPlain-language help before care
A peptide is made from a few linked amino acids, the parts used to form proteins. This guide helps you check a specific product, plan the cost, and spot trouble.

As of September 2026, peptide care can mean an FDA-approved medicine, a medicine made to order by a compounding pharmacy, or an unapproved chemical sold online.
By September 2026, the FDA had approved semaglutide medicines Ozempic and Wegovy, along with tirzepatide medicines Mounjaro and Zepbound.
Learn the termsAs of September 2026, a compounded medicine could be legal even without FDA approval, and it did not receive an FDA check before sale.
Compare the typesA chemical advertised online as “for research use only” was not a legal treatment as of September 2026. This applies when it was really being sold for people to inject.
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