Eur J Pharmacol (2013) 700(1-3):4250
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Key Insights Fatigue is a common but usually temporary side effect during the initial weeks or dose changes in GLP-1 therapy, caused largely by rapid calorie deficit, dehydration, and metabolic adjustments. Maintaining steady energy requires prioritising nutrient-dense meals rich in protein and complex carbohydrates, staying well hydrated, and managing electrolyte balance, which helps mitigate tiredness and supports overall metabolism. Gentle physical activity and good sleep hygiene are critical lifestyle adjustments that improve circulation, mood, and energy levels without overtaxing the body during the drug adaptation period. Persistent, worsening, or debilitating fatigue should prompt medical evaluation to exclude other causes, reassess medication dosing, and ensure safe continuation of GLP-1 therapy under healthcare supervision. Frequently asked questions Why do GLP-1 medications cause fatigue
Some research suggests these kidney benefits might also extend beyond people with diabetes
There have been some prior studies that show favorable mental health outcomes for patients on GLP-1, and this study builds a stronger case for mental benefits of specific GLP-1s, says Dr
GLP-1 Receptor Agonists in Chronic Kidney Disease Drug Interactions When taken concomitantly with insulin or sulfonylureas, GLP-1 agonists increase the risk of hypoglycemic events