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A B12 shot functions by delivering high-dose cobalamin directly into the muscle, bypassing the digestive barriers that often block absorption

Megadosing by doing frequent injections when you dont actually need it can lead to side effects like itchy rash, anxiety, and rapid heartbeat

Your provider will review your labs, symptoms, and goals before recommending a plan tailored specifically to you

Aside from vegetarians, people at risk for a B12 deficiency include those with pernicious anemia, people who have had intestinal surgery such as gastric bypass, those with Crohns or celiac disease, and anyone whose stomach does not produce enough hydrochloric acid to absorb the vitamin B12 thats naturally present in food

Cellular energy

Why Taking B12 Shots Is Important