b12 injection is it intramuscular B-12 (Methylcobalamin) Therapy B12 Injections at Home -
Description
Most of us can prevent vitamin B12 deficiency by consuming enough of it in the foods we eat

300 mcg daily

Cameron AJ, Magliano DJ, Zimmet PZ, Welborn T, Shaw JE

your kidneys ordinarily remove this element from your body
