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Pre-existing gastrointestinal conditions can impact response

Each receptor system contributes distinct metabolic effects and GLP-1 influencing insulin secretion and appetite, GIP influencing incretin response and fat cell biology, and glucagon driving energy expenditure and hepatic fat metabolism

This likely reflects the glucagon receptor activation increasing sympathetic tone and thermogenesis, the same mechanism that drives the additional metabolic benefits

During a stressful event, the body naturally diverts nutrients such as biotin, iron, vitamin D, and zinc away from hair follicles, which can exacerbate hair shedding