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Eating B12-rich foods, oral supplements, and B12 injections can all raise your levels back to the normal range
Do I need any special preparation
One of eight B complex vitamins, B12 plays a key role in red blood cell formation, cellular metabolism, nerve function, and DNA production
Eat a light meal to avoid lightheadedness
Only then can you switch to every-other-day shots or test different doses or frequencies
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