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  2. This is the best time of day to take vitamin D supplements ...

    www.aol.com/news/best-time-day-vitamin-d...

    The body produces vitamin D3, which is converted into active vitamin D. Getting five to 30 minutes of UV exposure midday at least a few times a week is thought to be enough to maintain sufficient ...

  3. Vitamin D - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D

    There is no general agreement about the intake levels at which vitamin D may cause harm. According to the IOM review, "Doses below 10,000 IU/day are not usually associated with toxicity, whereas doses equal to or above 50,000 IU/day for several weeks or months are frequently associated with toxic side effects including documented hypercalcemia."

  4. How to get the most out of vitamin D3 - AOL

    www.aol.com/news/most-vitamin-d3-020914344.html

    Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement. How to get the most out of vitamin D3

  5. Wait, Should You Be Taking Vitamin D2 or D3? - AOL

    www.aol.com/lifestyle/wait-taking-vitamin-d2-d3...

    There's lots of confusion around the difference between vitamin D2 and vitamin D3, and which is best for whom. Doctors and experts explain.

  6. Vitamin D toxicity - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_toxicity

    Vitamin D compounds, specifically cholecalciferol (D3) and ergocalciferol (D2) are used in rodenticides due to their ability to induce hypercalcemia, a condition characterized by elevated calcium levels in the blood. This overdose leads to organ failure and is pharmacologically similar to vitamin D's toxic effects in humans.

  7. Vitamin D and neurology - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_and_neurology

    Vitamin D (the inactive version) is mainly from two forms: vitamin D 3 and vitamin D 2. Vitamin D 3, or cholecalciferol, is formed in the skin after exposure to sunlight or ultra violet radiation or from D 3 supplements or fortified food sources. Vitamin D 2, or ergocalciferol, is obtained from D 2 supplements or fortified food sources. [3]