Vitamin D is an essential element for healthy being. Vitamin D deficiency means more cold and cough infections, bad bone health and overall health problems. Wegmans Corporate Nutritionist Jennifer Felice says that this vitamin helps in improving immune system. Sun is the best source of vitamin D. You should spend as much time as possible in sunlight in order to improve your immunity.
Importance Of Vitamin D Video, Vitamin D Shedding Light On The Sunshine Vitamin