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Are B12 injections better than B12 pills
dividing by the 2mL volume yields a concentration of 5,000mcg/mL, or 5mcg per 0.001mL (1 microliter) drawn
A deficiency of vitamin B12 can also cause shortness of breath or heart palpitations, as well as gastrointestinal symptoms including constipation, diarrhea, appetite loss, or gas
For example, the Vegetarian Nutrition Dietetic Practice Group recommends that vegans consider supplementing with 250 mcg of B12 per day
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