Vitamin D is essential for good health and has many important functions in the body such as helping the body absorb calcium and regulate hormones. It is important to make sure that you are getting enough vitamin D in your diet or through supplementation if necessary. Vitamin D has multiple health benefits, such as reducing the risk of osteoporosis, some cancers, cognitive decline and autoimmune diseases. It is also important for proper immune system functioning and helps the body regulate inflammation and many other processes.  Not only is vitamin D important for the body, it is also important for mental health and mood. Research has shown that there is a link between adequate vitamin D levels and good overall psychological wellbeing. Therefore, it is important to make sure that you are getting enough vitamin D to stay healthy and keep the body and mind functioning optimally.