1. Doctors and public health specialists have a growing belief that Vitamin D can protect against Covid-19 infection. 2. Persons with enough levels of Vitamin D in their body have been able to quickly recover from Covid infection while those with deficient amounts have been hit hard. 3. There are Indian studies indicating that Vitamin D deficiency makes people prone to frequent coughs, cold and even pneumonias. 4. Vitamin D is not just a nutrient but it’s a hormone, immune and genetic modulators that enable body to develop a strong immune system.