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Vitamin D (Calciferol) |
Vitamin D
Vitamin D, also referred to as Calciferol, has many functions in the body.
Like many other vitamins, Vitamin D helps promote bone and teeth
development. Vitamin D also helps with the absorption of calcium as well as
muscle and nerve functions. There have also been studies that suggest the
Vitamin D can help reduce, or even prevent, osteoporosis.
Intake
Dosage of Vitamin D in younger adults compared to middle aged (50+ years
old) differs quite a bit. The basic recommend dosage for adults under 50
years of age is 200 UI, whereas the recommend dosage of Vitamin D for adults
over 50 years of age is 400 UI.
Sources
Egg yolk, fish and liver are some of the only natural sources of Vitamin D.
Fortified milk usually contains 400 UI of Vitamin D for every 4 cups of
milk. More interestingly Vitamin D can be derived from sunlight. As sunlight
reacts to the cholesterol in your body it can produce Vitamin D. Of course
prolonged exposure to sunlight does have many negative side effects so only
15 minute exposures are recommended. Visit our
Supplements Forum for more info.
Article Written by: Brad Belanger
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