Fatty fish are among the best sources of vitamin D. A 3.5-ounce (100-gram) serving of cooked salmon can provide around 570 IU of vitamin D or more.
Cod liver oil is an exceptionally rich source of vitamin D. A single tablespoon can provide well above the recommended daily intake.
Egg yolks contain vitamin D, with the concentration varying depending on the chicken's diet. Including eggs in your diet can contribute to your vitamin D intake.
Many foods are fortified with vitamin D, including certain types of milk, orange juice, and breakfast cereals. Check the labels to ensure they are fortified with vitamin D.
Some types of mushrooms, such as maitake and chanterelle, contain vitamin D. When exposed to sunlight or ultraviolet (UV) light during growth, mushrooms can naturally produce vitamin D.
Many plant-based milk alternatives are fortified with vitamin D, making them suitable options for those following a vegan or dairy-free diet.
Canned tuna, especially when packed in oil, is a good source of vitamin D. A 3.5-ounce (100-gram) serving can provide around 268 IU of vitamin D.
Beef liver is a nutrient-dense organ meat that contains various vitamins, including vitamin D. However, it's essential to consume liver in moderation due to its high vitamin A content.