retatrutide triple agonist obesity trial for weight loss: Study shows 30% body weight loss Lilly's triple agonist, retatrutide, delivered

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Amanda Reyes, MD | Last Updated: July 2026 A Retatrutide 12mg dose represents one of the highest points on a typical investigational titration curve, reached only after a patient has moved through several lower stages under ongoing medical supervision

Potential for Hormonal Fluctuation: The case of female sexual dysfunction linked to tirzepatide suggests the drugs impact on metabolic pathways could lead to hormonal changes that affect libido, though the exact process is unknown

Common Withdrawal Symptoms Increased Appetite : Without the appetite-suppressing effects of GLP-1 medications, many individuals may find themselves feeling hungrier than before

Marketing for these products often suggests they work like prescription GLP-1 medications by boosting the glucagon-like peptide-1 hormone to suppress appetite and burn fat