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Vitamin D is essential for bone health and immune function, and deficiency is common. Consoider one of these vitamin D supplements if you're not getting enough.
Vitamin D supplements. Vitamin D dietary supplements contain vitamin D3 or vitamin D2. Research shows that both forms are well-absorbed, but vitamin D3 supplements may elevate blood levels of ...
Cholecalciferol is a form of vitamin D which is naturally synthesized in skin and functions as a pro-hormone, being converted to calcitriol. This is important for maintaining calcium levels and promoting bone health and development. [4] As a medication, cholecalciferol may be taken as a dietary supplement to prevent or to treat vitamin D ...
The recommended daily intake of vitamin D for adults is 600 IU (15 micrograms), and for adults over 70 years old, 800 IU (20 micrograms). [45] Vitamin D comes in two forms. Cholecalciferol (vitamin D 3) is synthesized in the skin after exposure to the sun or consumed from food, usually from animal sources. [45] Ergocalciferol (vitamin D 2) is ...
According to the United States Department of Agriculture, a tablespoon (13.6 grams or 14.8 mL) of cod liver oil contains 4,080 μg of retinol (vitamin A) and 34 μg (1360 IU) of vitamin D. [9] The Dietary Reference Intake of vitamin A is 900 μg per day for adult men and 700 μg per day for women, while that for vitamin D is 15 μg per day.
In a supplement, vitamin D can stop hair loss and nail chipping. Collagen. Collagen supplements have become popular in recent years, especially among celebrities who praise their anti-aging effects .
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