As for why GLP-1s might cause hair loss, the most likely explanation is the rapid or substantial weight loss that people can experience while on them, according to the authors
you have the flexibility to adjust the pace based on how your body actually feels
standard care at 4 years on the progression of diabetic retinopathy by 3 or more steps on the Early Treatment Diabetic Retinopathy Study Severity Scale
Even mild dehydration can lead to: Fatigue Headaches Muscle weakness Reduced concentration This is one of the most overlooked contributors to early tiredness on GLP-1 therapy
Bendotti G, Biamonte E, Leporati P, Goglia U, Ruggeri RM, Gallo M (2025) Vitamin D Supplementation: Practical Advice in Different Clinical Settings
It is also naturally found in garlic and onions