Wegovy uses higher amounts of semaglutide and comes in pens designed for weight loss
If you have not, the effective expiration date is earlier than what is printed
The cup size (volume) stays the same

A conceptual model of food cue reactivity, Nutrients (2023) Human drug compounding, Food and Drug Administration (2024) Compounding when drugs are on FDAs drug shortages list, Food and Drug Administration (2024) Your guide to FDA-approved medicines that contain semaglutide, Novo Nordisk FDA alerts health care providers, compounders, and patients of dosing errors associated with compounded injectable semaglutide products, Food and Drug Administration (2024) FDAs concerns with unapproved GLP-1 drugs used for weight loss, Food & Drug Administration (2024) Wegovy, DailyMed (2024) FDA warns patients and health care professionals not to use compounded drugs from Fullerton Wellness, Food and Drug Administration (2024) Novo Nordisk escalates legal actions to safeguard patients from potentially harmful compounded semaglutide drugs, Novo Nordisk (2024) FDA clarifies policies for compounders as national GLP-1 supply begins to stabilize, Food and Drug Administration (2025) OFA v

GLP-1 receptors are expressed on various immune cells, and their activation appears to modulate immune responses through multiple mechanisms
The FDA-approved labels for these medications do not include blood donation as a contraindication or precaution