Many individuals suffers from inadequate vitamin D levels, especially in the winter, and it has been found that the daily need of this vitamin is much higher than previously thought. Vitamin D is an essential, fat-soluble vitamin that plays an integral role in calcium metabolism and bone health, as well as healthy immune system.
Besides supporting your immune defense, vitamin D may decrease your risk of heart disease and autoimmune diseases such as rheumatoid arthritis. Vitamin D has also been shown to regulate mood, decrease anxiety, reduce the risk for depression, and support weight loss.