Vitamin D deficiency is very common and most people are unaware of it. Prevalence of vitamin D deficiency in India has increased to around 80%. The most natural way to get vitamin D is through the exposure to sunlight. The best time to expose to sunlight for vitamin D is in between 11 am to 1 pm as the frequency of UV rays is in between 290nm and 320 nm suitable for skin to make vitamin D. Daily requirement of vitamin D is 600 IU/day. Minimum 20 minutes of daily exposure in sun is required to meet daily requirement of […]