Li, Zhou, Cong, and colleagues addressed this in Cell Discovery in 2024 by publishing cryo-electron microscopy structures of retatrutide bound to the GLP-1RGs, GIPRGs, and GCGRGs complexes [2]
Some protocols have tested up to 45 mg daily, though 36 mg appears to offer the best balance of efficacy and tolerability
Data In lactating mice subcutaneously injected twice a day with exenatide, the active ingredient in BYDUREON BCISE, the concentration of exenatide in milk was up to 2.5% of the concentration in maternal plasma
Methods Number of Prescriptions and Gross Spending Data: This analysis uses 2019 through 2024 State Drug Utilization Data (SDUD) (downloaded in January 2026)
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