Major source of cyanocobalamin vitamin is:-
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
Animal only diet
Plant only diet
Sunlight
None
NEET Jan 2020