Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a major part of …

Learn more about Vitamin D uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Vitamin D.

More specifically, you need vitamin D so your body can use calcium and phosphorus to build bones and support healthy tissues. With chronic and/or severe vitamin D deficiency, a decline in calcium and …

Several forms (vitamers) of vitamin D exist, with the two major forms being vitamin D 2 or ergocalciferol, and vitamin D 3 or cholecalciferol. [1] The common-use term "vitamin D" refers to both D 2 and D 3, …

Very few foods naturally contain vitamin D. Fortified foods provide most of the vitamin D in the diets of people in the United States. Check the Nutrition Facts label for the amount of vitamin D in a food or …

Feb 17, 2021 · Learn how to spot vitamin D deficiency symptoms, what foods are high in vitamin D, how much to take daily, and whether D2 or D3 is best for you.

Vitamin D is a fat-soluble vitamin. Fat-soluble vitamins are stored in the body's fatty tissue and liver. Vitamin D helps the body absorb calcium. Calcium is a mineral that you must have for normal bone …

Aug 1, 2025 · Medical experts explain how much vitamin D you should be taking per day, the differences between vitamin D2 and D3, and how much vitamin D is too much.

Dec 18, 2025 · Vitamin D is involved in many bodily functions and plays a vital role in immune health and maintaining healthy bones and teeth. Vitamin D is produced when you expose your skin to …

Few foods naturally contain vitamin D, though some foods are fortified with the vitamin. For most people, the best way to get enough vitamin D is taking a supplement because it is hard to eat enough …