More information can be found in our article: Vitamin B12 for Vegetarians and Vegans Daily Requirement, Dosage and Overdose Vitamin B12 is water-soluble and that which is not required by the body is simply excreted in the urine
What you need to know, Harvard Health Publishing (2024) FDA clarifies policies for compounders as national GLP-1 supply begins to stabilize, Food and Drug Administration (2025) Medically accurate: SingleCares Medical Review Board analyzes all of our content to confirm its in line with current medical advice
Loss of Potency The most likely outcome is that the medication simply stops working
Zhang L, Zhang L, Li Y, Li L, Melchiorsen J, Rosenkilde M, et al
Similarly, those who were prescribed the drug to treat overweight or obesity were over seven times more likely to receive a NAION diagnosis than people taking other weight loss drugs