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Several laboratory tests should be performed prior to treatment with cyanocobalamin, including serum vitamin B12, folate, iron, hematocrit, and reticulocyte count
Geriatric Vitamin B12 deficiency is common among elderly patients, affecting around 20% of some communities
Have you heard about B12 injections for weight loss, but arent sure if they really work
References: National Institutes of Health, Office of Dietary Supplements
Any weird side effects
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