Vitamin D is an essential micronutrient that's an important part of a healthy diet. Learn what types of foods are rich in vitamin D.

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Add these foods to your diet to help.

Vitamins D and C both play important roles in immune health, but will either prevent you from getting sick? Here's what experts want you to know.

Vitamin E is an antioxidant powerhouse that helps boost eye, skin, and immune health—and you might be surprised how abundant it is in some of your favorite foods.