Some GLP-RAs have been shown to penetrate the central nervous system, as confirmed by neuroimaging methods
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The FDA approved once-daily oral semaglutide (Wegovy) at 25 mg on 22 December 2025, making it the first oral GLP-1 approved specifically for chronic weight management in the US
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Rev Endocr Metab Disord 21(3):341353 Chavez AM, Carrasco Barria R, Leon-Sanz M (2025) Nutrition support whilst on glucagon-like peptide-1 based therapy
Masui K, Cavenee WK, Mischel PS