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Description
B12 shots are widely considered safe, but a few situations may require extra care

Both B12 shots and pills have pros and cons

doi:10.1002/jor.21107 Bock-Marquette I, Saxena A, White MD, DiMaio JM, Srivastava D

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For keeping levels up, adults get 1000 mcg of Vitamin B12 every month

This can improve sleep quality in individuals with a deficiency
