Clinical Trials: Impact of B12 Supplementation on Metabolites Below are four graphs showing the response to B12 supplementation of serum B12, holotranscobalamin, MMA, and homocysteine: Eight trials of predominantly older adults with at least mild deficiency (Dangour, 2015
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This is especially important for people on highly restrictive eating plans, older adults, vegetarians, vegans, or those with certain digestive or absorption issues
A provider decides what belongs in any given plan
Frequently Asked Questions About B12 Shots How quickly will I feel the effects of a B12 shot
Authors: We found that oral vitamin B 12 replacement at 1000 g daily was adequate to replace vitamin B 12 levels in patients with pernicious anemia