May 19, 2025 · Cholecalciferol is vitamin D3. Vitamin D helps your body absorb calcium. Vitamin D is also essential for maintaining a healthy immune system. The function of the immune system is to …

Dec 10, 2025 · Learn 15 ways that vitamin D3 supports bone, immune, and heart health. Discover benefits for your skin and mood with expert insights on using D3.

Oct 30, 2025 · Vitamin D3 from sunlight and food helps in calcium absorption and muscle strength. It could decrease the risk of cardiovascular disease and depression.

Cholecalciferol, also known as vitamin D3, colecalciferol or calciol, is a skin-made vitamin D that is found in certain foods and used as a dietary supplement. [3] It was first described in 1936, [4] and is on the …

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Vitamin D helps maintain strong bones. Learn how much you need, good sources, deficiency symptoms, and health effects here.

Mar 21, 2025 · Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement.

Vitamin D deficiency means that you don’t have enough vitamin D in your body. It's common and primarily causes issues with your bones and muscles.

Aug 20, 2025 · There are two main types of vitamin D—vitamin D2 and vitamin D3. Vitamin D2 naturally occurs in some plants, whereas vitamin D3 is found in some animals and produced by human skin …

May 26, 2025 · Vitamin D supplements are available as cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2). These are available as dietary supplements in various strengths and dosage forms.