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Full list of articles: How often should you get a B12 shot, and how much B12 should you inject per shot

If you are uninsured or have a high-deductible plan, we offer transparent self-pay pricing

As with many things B12 related, we need more and better research on B12 metabolism , on the condition of PA and how to treat it most effectively

If there are excess vitamin B12 left, it will be stored in the liver for future use

Although it is rare, too much niacin from supplements could cause red skin, tingling in the face, arms and chest, and itching

The usual dose might not fit everyone, mainly those with special needs