B12 shots deliver a single nutrient, vitamin B12, in one specific form such as cyanocobalamin or methylcobalamin
While oral supplements are a common choice, they arent always effective if your body has trouble with absorption, making it difficult to get the full benefit
The primary component is vitamin B12, with additional ingredients such as inositol and choline that work together to support overall health and well-being, especially during periods when extra weight needs to be shed
The solution might be to change the medication or add B12 supplements
Self-dosing from online figures skips every one of those safeguards, and in a medical context those safeguards are the entire point
1a, with treatments as indicated