Salmon is known for being a rich source of vitamin D. A 3.5-ounce serving has 400 international units (IU) of the nutrient.Other foods have even more vitamin D in a typical serving. These include cod ...

People can get vitamin D from sunlight, food, and supplements. Food sources of vitamin D include fatty fish, egg yolks, and mushrooms. Certain foods, like cow’s milk, non-dairy milk, breakfast cereals ...