The most natural source of vitamin D is sunlight. Your skin produces vitamin D when exposed to ultraviolet B (UVB) rays from the sun.
Fatty Fish
Salmon, mackerel, trout, and other fatty fish are excellent sources of vitamin D.
Cod Liver Oil
This oil is rich in vitamin D and also provides vitamin A.
Egg Yolks
Eggs, especially the yolks, contain vitamin D. Choose eggs from free-range or pasture-raised chickens for higher vitamin D content.
Fortified Foods
Many foods are fortified with vitamin D, including milk, orange juice, and certain cereals. Check the labels to ensure they are fortified with vitamin D.
Beef Liver
Beef liver is a good source of vitamin D, as well as other essential nutrients.
Cheese
Some types of cheese, such as Swiss and cheddar, contain small amounts of vitamin D.
Mushrooms
Certain types of mushrooms, like maitake and chanterelle, can provide vitamin D when exposed to sunlight or ultraviolet light during growth.
Tofu and Soy Milk
Some brands of tofu and soy milk are fortified with vitamin D.
Supplements
"Before taking over-the-counter Vitamin D supplements, consult a healthcare professional to ensure the correct dosage tailored to your individual needs."