can you inject b12 wrong Best Vitamin Injection Site: Administering B12 Shots How to Give a B12

The most common reason someone would need to have their vitamin B12 levels checked is to evaluate for vitamin B12 deficiency, says Mike Ren, MD, assistant professor of family and community medicine at Baylor College of Medicine

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With high-dose vitamins delivered straight to your cells, youll stay ahead of cold, flu, and seasonal fatigue

Unfortunately, if you have a deficiency, its likely you also do not produce enough intrinsic factor, or your body has difficulty absorbing it

However, the differences between the drug and placebo group are highly significant for all symptoms