Vitamin E oil may benefit a wide range of skin and nail conditions, ... Vitamin E is a group of fat-soluble vitamins with antioxidant ... Share on Pinterest Catherine Falls Commercial/Getty Images.

Vitamin D is a fat-soluble vitamin in a family of compounds that includes vitamins D1, D2, and D3. Your body produces vitamin D naturally when it’s directly exposed to sunlight.

Calcium is not fat-soluble, so it is not aided by the bile stimulated in the small intestine, when we eat fat, which helps to break down the fat and fat-soluble vitamins.

Known as the sunshine vitamin, vitamin D is a fat-soluble vitamin necessary to support bone health, the immune system, and mental health. But there’s a catch: Roughly 50% of the population ...