Vitamin D, used to only be linked to bone diseases such as rickets and osteoporosis, but increasingly research studies are revealing its importance in many areas of human health.

In a paper published recently in the American Journal of Clinical Nutrition, vitamin D's role is identified in a number of health conditions inclluding immunity, blood sugar control, blood pressure management, heart health, muscle strength and brain activity. Adequate amounts of vitamin D are also believed to be beneficial in reducing the risk of cancer.