Vitamin B12 deficiency explained in interactive 3D: common on vegetarian and vegan diets, affecting nerves and blood — with treatment by supplements and fortified foods, and help in India.
Vitamin B12 comes mainly from animal foods, so deficiency is common on vegetarian and vegan diets — very relevant in India. See it in 3D, the nerve and blood effects, and treatment with supplements and fortified foods — with help in India.