Studies and reports suggest that 47% of North Indian population is Vitamin B12 deficient. It is estimated that over 70% of adults in India have some form of Vitamin B12 deficiency. On the other hand, 80% of pre-school children in India have some form of Vitamin B12 deficiency. Vitamin B12 helps in producing brain chemicals that affect mood and other brain functions. Interestingly, Vitamin B12 also helps maintain healthy skin and hair. We decode the risk factors and healthy Vitamin B12 foods.