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Tirzepatide: FDA & compounding status

FDA approvalApproved (Mounjaro, Zepbound)
503A pharmacy (bulks list / category)Component of an approved drug, limited by copy rules
FDA Category 2 safety-risk listNot on FDA's Category 2 safety-risk page (current as of Apr 22, 2026). Category 1/3 status: Unknown (not yet verified) source
503A bulks list (21 CFR 216.23)Not listed. As of the eCFR text read Oct 20, 2026 the list holds six substances, none a peptide source
503B outsourcingNo bulk pathway; exclusion proposed May 2026
WADA 2026 Prohibited ListNot named in 2026 List (approved medicine, so S0 does not apply) source

FDA approval, 503A pathway and 503B cells: secondary source source, not yet checked against primary FDA records. Category 2, 216.23 and WADA cells: primary sources.

Timeline

DateEventSource
2026-03-03FDA warning letters to 30 telehealth firmssource
2026-05-01Proposal to exclude from 503B bulks list (91 FR 23431)source

Not medical or legal advice. PeptideStatus summarizes public regulatory sources for education only. It does not recommend using any substance. Rules change and vary by state. Talk to a licensed clinician and counsel. Status data verified only as of the source dates shown; Oct 19, 2026 build.