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  2. The Best Supplements for Men Over 50, According to ... - AOL

    www.aol.com/best-supplements-men-over-50...

    Zinc and vitamin D are also essential for bone health but have the added benefit for men over 50 by reducing the risk of erectile dysfunction, a condition commonly affecting men over age 40 ...

  3. 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.

  4. Amazon Just Changed Its Return Policy — And You’ll Be Charged ...

    www.aol.com/finance/amazon-just-changed-return...

    The e-commerce giant indicated most items under 50 lbs. from Amazon.com have a free return option. Look for “Free returns” next to the price to confirm that it qualifies. More From GOBankingRates

  5. Vitamin D - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D

    For example, CYP11A1, an enzyme chiefly known for its role in steroidogenesis, has been found to hydroxylate vitamin D3 at several positions, including C-20, C-22, and C-23, without cleaving the side chain. The resulting metabolites, such as 20-hydroxyvitamin D3 and 20,23-dihydroxyvitamin D3, act as inverse agonists for RORα and RORγ2.

  6. Ergocalciferol - Wikipedia

    en.wikipedia.org/wiki/Ergocalciferol

    Ergocalciferol is available as a generic medication and over the counter. [6] In 2022, it was the 38th most commonly prescribed medication in the United States, with more than 15 million prescriptions. [10] [11] Certain foods such as breakfast cereal and margarine have ergocalciferol added to them in some countries.

  7. Amazon customers can now return their items at Kohl's - AOL

    www.aol.com/news/amazon-customers-now-return...

    Last month, Kohl's revealed that it would carry Amazon products in over 200 stores. "We are thrilled to bring Amazon Returns at Kohl's to all of our stores across the country," Kohl's CEO Michelle ...

  8. Ergosterol - Wikipedia

    en.wikipedia.org/wiki/Ergosterol

    Ergosterol (ergosta-5,7,22-trien-3β-ol) is a mycosterol found in cell membranes of fungi and protozoa, serving many of the same functions that cholesterol serves in animal cells.

  9. Cholecalciferol - Wikipedia

    en.wikipedia.org/wiki/Cholecalciferol

    LD 50 of 4.4 mg/kg has been reported in rabbits, with lethality to almost all rabbits ingesting doses greater than 15 mg/kg. [54] Toxicity has been reported across a wide range of cholecalciferol dosages, with LD 50 as high as 88 mg/kg or LD Lo as low as 2 mg/kg reported for dogs. [55]