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 …

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

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 …

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 …

Vitamin D is a nutrient you need for good health. It helps your body absorb calcium, one of the main building blocks for strong bones. Together with calcium, vitamin D helps protect you from …

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.

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 2, 2025 · Discover the most effective ways to boost your vitamin D levels and prevent vitamin D deficiency, including safe sun exposure, foods, and maximizing absorption.

Apr 22, 2024 · A lack of vitamin D (deficiency) can affect your bones and overall health. Learn who is at risk, how much vitamin D you need, and how to get enough.

May 20, 2013 · Here is more information about the benefits of vitamin D, its downsides, how much you need, and foods with vitamin D.