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Vitamin B12 plays a key role in many bodily functions, like making red blood cells and supporting the nervous system
People who follow vegan or vegetarian diets, older adults, individuals with digestive issues (like Crohns or celiac), and those taking certain medications (like metformin or acid reducers) are at higher risk of B12 deficiency
Side Effects of B12 Injections While B12 injections are generally safe, they may cause side effects in some individuals
Cyanocobalamin is a synthetic form that must be converted within the body to become active
Are there reasons to avoid B12 shots
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