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Does retatrutide cause hair loss

It works by increasing the amount of insulin your body releases after you eat

Based on approval studies, a 15-18% weight loss is achievable

Unlike other approved GLP-1 medications, Wegovy and Zepbound, which also target the gut hormone GLP-1, retatrutide targets three receptors known to regulate appetiteGLP-1, glucagon and glucose-dependent insulinotropic polypeptide (GIP)

All references FDA: Concerns with unapproved GLP-1 drugs used for weight loss NEJM (2023): Retatrutide Phase 2 trial in obesity Eli Lilly: Phase 2 retatrutide results published in NEJM Eli Lilly (Dec 2025): Phase 3 TRIUMPH-4 topline results announcement ClinicalTrials.gov: NCT05882045 (TRIUMPH-3) Drugs.com: Retatrutide status & timeline Lilly Trials: TRIUMPH-3 summary page