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Vitamin B12 is crucial for several physiological processes, including: Red blood cell formation deficiency leads to megaloblastic anaemia, characterised by large, immature red blood cells Neurological function B12 is required for myelin synthesis and nerve health DNA synthesis essential for cell division and growth Without adequate B12, patients may develop symptoms such as fatigue, pallor, shortness of breath, glossitis (sore tongue), paraesthesia (pins and needles), and in severe cases, neurological complications including peripheral neuropathy, ataxia, and cognitive impairment
Vitamin B 12 deficiency can develop for the following reasons: Absence of intrinsic factor, also called pernicious anemia: Intrinsic factor is a protein secreted by cells of the stomach lining
Visit www.fda.gov/medwatch, or call 1-800-FDA-1088
Production and utilization of other nutritional factors
Each injection should contain at least 5,000 mcg of pharmaceutical-grade methylcobalamin to be effective, and most patients notice improvements in energy, sleep, and mood within weeks of starting proper B12 therapy
