Breastfed infants and children with certain medical conditions are also susceptible to vitamin D deficiency. If a healthcare professional has recommended a vitamin D supplement for calcium ...

Some sources of vitamin D include egg yolks, certain types of cheese, fortified foods such as milk, and mushrooms exposed to ultraviolet light. However, few foods contain vitamin D, and those that ...

Healthy foods that are rich in vitamin D include fatty fish, mushrooms, and egg yolks, among others. Some foods, such as milk and breakfast cereal, are often fortified with vitamin D—meaning that it ...