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As interest in taking glucagon-like peptide-1 receptor agonist (GLP-1 agonist) medications, such as Zepbound and Wegovy, for weight loss, research continues to examine potential new side effects of these types of drugs
An open-label study (n=42) found that IV NAC (50 mg/kg) combined with oral NAC (500 mg twice daily) for 3 months increased brain glutathione levels (measured by MRS), increased dopamine transporter binding (measured by DaTscan), and improved UPDRS motor scores (Monti et al., PLoS One, 2016) [53]
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Prescription rate of GLP-1s based on diagnosis Source: Piaopiao, L et al JAMA Network Open October 31, 2025 Research published in JAMA Network Open evaluated trends in prescribing of GLP-1 agents from 2010 through the end of 2024 using the Cosmos data warehouse, which has at least some medical records for 300 million Americans
