[1] [2] As of mid-2025, retatrutide has not received approval from the MHRA or EMA and remains under clinical investigation (ClinicalTrials
Muscle strains (Grade I/II): Accelerated progression through the proliferation phase is often noticeable at 2 to 3 weeks versus an untreated baseline
Serious adverse effects requiring immediate medical attention include signs of pancreatitis (severe persistent abdominal pain radiating to the back), symptoms suggesting thyroid tumors (neck mass, difficulty swallowing, persistent hoarseness), severe allergic reactions, or acute kidney injury (significantly decreased urination, swelling, fatigue)
Scientists analyze that these side effects occur because the drugs fundamentally slow down the speed at which food moves through the digestive tract, delay gastric emptying, and affect the signals transmitted from the intestines to the brain
Avoiding carbonated drinks and processed foods that may cause gas build-up
Using the syringes markings, they mistakenly drew a 50-unit dose of 0.5 ml, the FDA said