By activating both GIP and GLP-1 receptors, tirzepatide enhances insulin secretion from pancreatic beta cells in a glucose-dependent manner, meaning it stimulates insulin release primarily when blood glucose levels are elevated
Because of the rapid degradation of GLP-1, therapeutic use of GLP-1 to enhance insulin secretion makes use of long acting, degradation resistant analogs of GLP-1 or DPP-4 inhibitors
A randomized, double-blind, placebo-controlled trial in 60 Thai medical students found that glutathione (500 mg/day for 4 weeks) reduced melanin index scores at multiple body sites compared to placebo (Arjinpathana & Asawanonda, J Dermatolog Treat, 2012) [61]
Common gastrointestinal side effects include nausea, diarrhoea, vomiting, and abdominal pain, which may differ in post-cholecystectomy patients
When taken as recommended, it is safe for regular daily consumption
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