can you be allergic to b12 injections Shots Side Effects And How Treat Them Possible allergic reaction to B12

Vegans and Vegetarians: Since B12 is primarily found in animal products, those on strict plant-based diets are at a higher risk of deficiency and may need supplementation

Injections : Vitamin B12 injections, particularly hydroxocobalamin, can be administered under medical supervision to bypass the digestive system and minimise allergic reactions

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Optimal dosing varies based on body weight, body composition goals, and individual metabolic factors