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Treatments might include injections or high-dose oral supplements to restore B12 levels

Vitamin B12 is needed to make new cells in the body such as red blood cells

Some studies show that anywhere between 200-800mcg per day is safe

Jason Hechtman, M.D

However, a review of recent studies indicates that this is soon to change as more clinicians become aware of the unique advantages of nasal delivery of peptides and other therapeutics

Increases energy and reduces fatigue Enhances mental clarity and focus Supports metabolism and weight management Improves mood and reduces symptoms of depression Strengthens immune system Supports nerve and cardiovascular health How often should I take vitamin B12 injections