Ask the doctor: B12 shots vs. pills
I am 72 years old and was recently diagnosed with B12 deficiency. Which is better—the B12 pill or the shot?Vitamin B12, found in any food from animals, needs to be released from proteins during digestion. If the stomach does not produce enough acid, the body does not absorb B12 from food very well, but it can still easily absorb the B12 in an oral supplement.
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