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PMC 4453489

Vitamin B12, also known as cyanocobalamin, is an essential water-soluble vitamin that helps with DNA production, metabolism, red blood cell (hemoglobin) formation, brain functionality and nerve cell health in the human body

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Medical professionals may recommend periodic reassessment of treatment goals and effectiveness

Women using oral contraceptives should be counseled about this potential interaction and may need to consider alternative or additional contraceptive methods, particularly during the initial weeks of treatment when gastric emptying effects may be most pronounced