Major source of cyanocobalamin vitamin is:-: (A) Animal only diet, (B) Plant only diet, (C) Sunlight, (D) None
Answer is A. Vitamin B12 Synthesized exclusively by microbes. Dietary source is exclusively of animal origin Vitamin B12 deficiency clinical manifestations: Haematological: Megaloblastic anemia, Hypersegmentation of neutrophils. Neurological: Demyelination in peripheral nerves and spinal cord