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Check your intake If you are taking high-dose vitamin B12 supplements, it may be advisable to reduce the dose or temporarily stop taking themalways in consultation with a doctor
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[56] [57] Low levels of serum vitamin B 12 may be caused by other factors than B 12 deficiency, such as folate deficiency, pregnancy, oral contraceptive use, haptocorrin deficiency, and myeloma
Vitamin B12 is an essential nutrient that plays a vital role in many bodily functions, including red blood cell formation, nerve function, and DNA synthesis
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