Compounded semaglutide is often provided in a vial and administered using a syringe and needle that draws the medication from the vial
Which Stability Data Support Retatrutide Storage Protocols
Cytophilic Fluorescent Bioprobes for Long-Term Cell Tracking
Lau, J., Bloch, P., Schffer, L., Pettersson, I., Spetzler, J., Kofoed, J., Madsen, K., Knudsen, L.B., McGuire, J., Steensgaard, D.B., Strauss, H.M., Gram, D.X., Knudsen, S.M., Nielsen, F.S., Thygesen, P., Reedtz-Runge, S., and Kruse, T., (2015), Discovery of the Once-Weekly Glucagon-Like Peptide-1 (GLP-1) Analogue Semaglutide, Journal of Medicinal Chemistry 58, 7370-7380
Maybe you try to cut back but can't
The more likely reason is telogen effluvium, a temporary shedding that follows rapid weight loss, low protein intake, and nutritional gaps