is 1 ml normal amount for b12 injections Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency Cobalamin (vitamin B12) and Folate

If you are over age 50, the Institute of Medicine recommends that you get extra B12 from a supplement, since you may not be able to absorb enough of the vitamin through foods

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Why the shelf life gap exists The dramatic difference between 24 months (brand-name) and 28 to 90 days (compounded) has several explanations

Because it is already methylated, it is instantly recognized and utilized by the central nervous system and the methionine synthase enzyme

2 Similar to Vitamin A, this increased requirement is to compensate for the Vitamin E that is secreted into breast milk