vitamin b12 oral vs injection Shots vs. IV Infusions: What is the difference? Vitamin Injections vs. Oral Supplements:

B12 supports normal energy metabolism and red blood cell production, so correcting a genuine deficiency can help you feel and perform like yourself again, but shots are not a proven performance enhancer for people who are not deficient

You do not need elaborate programs

B12 may be injected into a muscle or beneath the skin at 100 mcg every day or alternate days for 7 days, and then every 3 or 4 days for a month

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