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 …

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 …

During periods of sunlight, vitamin D is stored in fat and then released when sunlight is not available. Vitamin D supplements are commonly used to treat and prevent vitamin D deficiency.

Oct 25, 2024 · Vitamin D (calciferol) keeps bones strong and supports your immune system. People ages 1 to 70 need 15 mcg (600 IU) per day; people 70+ need 20 mcg (800 IU).

Together with calcium, vitamin D helps protect you from developing osteoporosis, a disease that thins and weakens the bones and makes them more likely to break. Your body needs vitamin …

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.

May 10, 2024 · Vitamin D helps your body absorb calcium. You can get Vitamin D in three ways: through your skin, from your diet, and from supplements.

Jun 20, 2025 · Discover the most effective ways to boost your vitamin D levels and prevent vitamin D deficiency.

Jun 25, 2025 · Why might you want to take vitamin D supplements? Vitamin D boosts the immune system and helps prevent multiple sclerosis and heart disease.

5 days ago · Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that?