get vitamin b12 injections Shots in Friso, Sherman, Anna. and Sunnyvale, TX B12 Shots: Benefits, Uses, Safety,

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High dose oral supplementation is an effective alternative to parenteral treatment Randomized studies of daily high oral doses of 1,0002,000 g have shown equivalence or superiority to injected B 12

William Silverstein of the University of Toronto

There are some very rare side effects listed in medical literature (mostly when large doses are given): for example, one out of many thousands of patients might develop a disturbance in liver enzymes or a tingling in the fingers or toes