Depends: What are you hoping will improve? A lot of people notice improved energy after getting a b12, that's true, but the only people who really need them are those with a deficiency of B12 that cannot be overcome with pills. Sometimes B12 deficiencies can cause nerve problems and other nervous system disease, so B12 shots can help with those.
Answered 6/24/2014
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A doctor has provided 1 answer
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