high dose vitamin b12 injections Cyanocobalamin injection 1000 mcg Multiple-Dose Vials — Mountainside Medical How to Give a B12

In a randomized, double-blind, placebo-controlled trial in 2,919 participants (65 years) with elevated blood concentrations of homocysteine, supplementation with vitamin B 12 (500 g/day) and folic acid (400 g/day) for two years did not decrease the risk of osteoporotic fracture despite reductions in homocysteine (120, 121)

While these side effects are rare, they can still occur in certain cases

- You are over the age of 50, as the ability to absorb B12 decreases with age

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Conclusion Intranasal vitamin B12 administration is an effective and appropriate method for restoring and maintaining adequate vitamin B12 levels in elderly patients with a deficiency