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is a b12 injection better than tablets Injections vs Pills: Richmond's Complete Guide Oral B12 vs. B12 Injections:
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Office of Dietary Supplements - Vitamin B12. Nih.gov, 27 Feb

AOD9604 safety Anti-AOD9604 antibody analysis didnt detect any antibodies during the study

For Lebers optic atrophy or smokers blindness, the usual dose starts at 1000mcg, given daily for 2 weeks, followed by twice weekly

It plays a role in many critical processes, from the health of nerve cells to DNA production
