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2. 7-Dehydrocholesterol - Wikipedia

   en.wikipedia.org/wiki/7-Dehydrocholesterol

   7-Dehydrocholesterol (7-DHC) is a zoosterol that functions in the serum as a cholesterol precursor, and is photochemically converted to vitamin D 3 in the skin, therefore functioning as provitamin-D 3. The presence of this compound in human skin enables humans to manufacture vitamin D 3 (cholecalciferol).

3. 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. [188] Vitamin D 2 (ergocalciferol) is produced in a similar way using ergosterol from yeast as a ...

4. Cholecalciferol - Wikipedia

   en.wikipedia.org/wiki/Cholecalciferol

   Low levels of vitamin D3 are more commonly found in individuals living in northern latitudes or with other reasons for a lack of regular sun exposure, including being housebound, frail, elderly, or obese, having darker skin, and wearing clothes that cover most of the skin. [23] [24] Supplements are recommended for these groups of people. [24]

5. Ergocalciferol - Wikipedia

   en.wikipedia.org/wiki/Ergocalciferol

   Ergocalciferol, also known as vitamin D 2 and nonspecifically calciferol, is a type of vitamin D found in food. It is used as a dietary supplement [ 3 ] to prevent and treat vitamin D deficiency [ 4 ] due to poor absorption by the intestines or liver disease . [ 5 ]

6. Famous Syrian activist Mazen Al-Hamada found dead in ... - AOL

   www.aol.com/famous-syrian-activist-mazen-al...

   After dedicating his life to fighting the regime of Assad, Mazen Al-Hamada did not live to see it fall. A symbol of resilience and courage, the famous Syrian activist was found dead in the ...

7. 'The first to sue': Opposing Trump's desire to end birthright ...

   www.aol.com/first-sue-opposing-trumps-desire...

   The Today Show. Macy's is closing 66 stores nationwide. See the full list. Finance. Business Insider. Talk of a sharp stock correction is rising. Here's how painful it could get. Food. Food.

8. Calcifediol - Wikipedia

   en.wikipedia.org/wiki/Calcifediol

   Calcifediol is the precursor for calcitriol, the active form of vitamin D. [3] [4] It is synthesized in the liver, by hydroxylation of cholecalciferol (vitamin D 3) at the 25-position. [3] This enzymatic 25-hydroxylase reaction is mostly due to the actions of CYP2R1 , present in microsomes , although other enzymes such as mitochondrial CYP27A1 ...

9. 6-Lb. Goldendoodle Pup Is Fighting for His Life After Likely ...

   www.aol.com/6-lb-goldendoodle-pup-fighting...

   A Goldendoodle named Furby is fighting for his life. The puppy, who is roughly 1 month old and just 6 lbs., was dropped off at an Austin shelter in Texas and transferred to Austin Pets Alive! (APA ...