Vitamin B12 deficiency is believed to be endemic in Indian population. Our diet is largely vegetarian which is considered to be one of the key factor for the deficiency. People with diabetes are particularly prone to Vitamin B12 deficiency (1). There is an urgent need for evidence-based guidelines that can help healthcare professionals with the management of B12 deficiency. Physician's Guide to Vitamin B12 by PAN India Physicians Association for Nutrition India (PAN India) d