300
This vitamin plays a critical role in maintaining healthy bones, eyes, teeth and skin. The nutrient is unique in that our skin can create it from exposure to the sun. Since we need this vitamin to utilize calcium, low levels of the nutrient may lead to increased fracture risk and dental decay. Among those 50 and older, those with lowest level of this vitamin were found to have at least 25% more tooth loss. Researchers around the world are finding that vitamin __ deficiency may contribute to other ailments, including breast, colon, pancreatic and prostate cancer, multiple sclerosis, hypertension and diabetes. Top sources include oysters, button mushrooms, sardines, fortified non-fat milk, and sunshine.
What is Vitamin D