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  1. Vitamin D3 Uses, Side Effects & Warnings - Drugs.com

    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 …

  2. 15 Ways Vitamin D Supercharges Your Health

    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.

  3. Vitamin D - Mayo Clinic

    Mar 21, 2025 · Taking a vitamin D supplement or a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for …

  4. Vitamin D3: Benefits, Uses, Side Effects, and More - Health

    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.

  5. The two forms of vitamin D in supplements are D2 (ergocalciferol) and D3 (cholecalciferol). Both forms increase vitamin D in your blood, but D3 might raise it higher and for longer than D2. …

  6. Cholecalciferol - Wikipedia

    Cholecalciferol, also known as vitamin D3, colecalciferol or calciol, is a type of vitamin D that is produced by the skin when exposed to UVB light; it is found in certain foods and can be taken …

  7. How much vitamin D3 should I take daily? Health benefits, risks

    May 28, 2025 · If you’re vitamin D-deficient, taking a vitamin D3 supplement could offer potential benefits, experts say. But how often do you actually need to take it, and who should avoid it?