India, Feb. 1 -- Vitamin D deficiency is alarmingly common in India, even among people who believe they eat well and get enough sunlight. Dr Shubham Vatsya, a gastroenterologist and hepatologist at Fortis Hospital, Vasant Kunj, Delhi, with more than 10 years of experience, shares in his January 31 Instagram post the real reasons behind this widespread deficiency and why it often goes unnoticed. (Also read: Bengaluru fitness coach shares simple 'high-protein diet hack' to lose weight sustainably: 'Moong sprouts contain 25 g.' )

Vitamin D deficiency is a widespread but often overlooked health concern in India. Explaining its impact, Dr Shubham says, "4 out of every 5 Indians are vitamin D deficient. Vitamin D is a hormone-like nutrient tha...