retatrutide study results New Phase 3 Trial Published : r/Biohackers Retatrutide Weight Loss Results:Trial Data

How will I know if Retatrutide is working

FOR ADULTS 18 YEARS OF AGE AND OVER

Since then, a number of triple agonists have entered clinical development, with one in phase three clinical studies but have yet to reach the market (Capozzi, DiMarchi, Tschp)

Announcement: American Medical Association

You start at 3 mg daily for 30 days

Retatrutide vs tirzepatide vs semaglutide Category Receptor targets Retatrutide GLP-1 + GIP + Glucagon (triple) Tirzepatide GLP-1 + GIP (dual) Semaglutide GLP-1 only (single) Category Half-life Retatrutide ~6 days Tirzepatide ~5 days Semaglutide ~7 days Category Dose frequency Retatrutide Once weekly Tirzepatide Once weekly Semaglutide Once weekly Category Max studied dose Retatrutide 12 mg/week Tirzepatide 15 mg/week Semaglutide 2.4 mg/week Category Peak weight loss in trials Retatrutide -28.7% at 68 weeks (Phase 3 TRIUMPH-4) Tirzepatide -22.5% at 72 weeks (SURMOUNT-1) Semaglutide -15.8% at 68 weeks (STEP-1) Category FDA status (June 2026) Retatrutide Investigational, Phase 3 Tirzepatide Approved (obesity + T2D) Semaglutide Approved (obesity + T2D) Category Liver fat Retatrutide Up to 82% reduction (Phase 2 substudy) Tirzepatide Significant reduction Semaglutide Moderate reduction Category Unique angle Retatrutide Triple agonism may raise energy expenditure via glucagon pathway Tirzepatide Dual agonism balances effect and tolerability Semaglutide Longest clinical track record