Alcohol suppresses the deep-sleep growth hormone pulse those peptides are designed to strengthen, so a heavy night can work against the same dose
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This binding is a crucial signal that stimulates the GLP-1 production pathway within these cells
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
7 In comparison, numerous studies have shown that patients on the Allurion Programme lose, on average, 10-15% of their body weight in approximately 4 months
For now, Garg does not recommend GLP-1s to patients who are not overweight
