Vitamin D is an important nutrient for bone health and immune health. Although our bodies can make vitamin D on their own, many people are still deficient. Getting enough vitamin D is essential for avoiding deficiency. Vitamin D helps the body absorb calcium, keeping bones strong and healthy. A lack of vitamin D leads to insufficient calcium absorption, which can result in osteoporosis. To increase your intake of vitamin D, you can eat the following foods that are high in vitamin D:1. Fortified cereals: Many breakfast cereals are fortified with vitamin D, containing about 2 micrograms per cup.2. Fortified dairy and non-dairy alternatives: Milk, yogurt, and alternatives like soy milk, almond milk, and oat milk are fortified with vitamin D, containing between 2.5 and 3.6 micrograms per cup.3. Orange juice: Many orange juices are fortified with vitamin D, containing 2.5 micrograms per cup.4. Cod liver oil: Contains 34 micrograms per tablespoon.5. Fish: Some fish like rainbow trout and sockeye salmon are rich in vitamin D, containing 16.2 micrograms and 14.2 micrograms per 3 ounces, respectively.6. Mushrooms: Mushrooms produce vitamin D when exposed to light; wild mushrooms and those exposed to UV light contain more vitamin D.