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2. Vitamin D toxicity - Wikipedia

   en.wikipedia.org/wiki/Vitamin_D_toxicity

   Vitamin D toxicity, or hypervitaminosis D, is the toxic state of an excess of vitamin D. The normal range for blood concentration of 25-hydroxyvitamin D in adults is 20 to 50 nanograms per milliliter (ng/mL).

3. How can I get a safe amount of vitamin D? - AOL

   www.aol.com/finance/dark-side-daily-vitamin-d...

   How much vitamin D should I take daily? ... (ULs) of what is safe to consume. People 9 and older, for example, may have a maximum 4,000 IU (100 mcg) of vitamin D per day. ...

4. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

   www.aol.com/vitamins-expire-nutritionists-weigh...

   Taking expired vitamins is generally considered safe—but there’s a catch. “Usually, expired vitamins won’t harm you, but likely will lose potency. “Usually, expired vitamins won’t harm ...

5. Nutritional supplements and vitamins are more popular than ...

   www.aol.com/nutritional-supplements-vitamins...

   Many of the vitamins and minerals on the market are generally safe, if not always effective, and the agency does have the authority to request a recall if a product causes adverse side effects ...

6. Vitamin D - Wikipedia

   en.wikipedia.org/wiki/Vitamin_D

   Vitamin D 3 (cholecalciferol) is produced industrially by exposing 7-dehydrocholesterol to UVB and UVC light, followed by purification. The 7-dehydrocholesterol is sourced as an extraction from lanolin, a waxy skin secretion in sheep's wool. [199] Vitamin D 2 (ergocalciferol) is produced in a similar way using ergosterol from yeast as a ...

7. Vitamin D not recommended for preventing fractures in older ...

   www.aol.com/vitamin-d-not-recommended-preventing...

   The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.