Vitamin D it is a pro-hormone but has
been classified as a vitamin. Vitamin D aids in the absorption
and utilization of calcium
and phosphorus from the intestinal tract. It helps maintain
and promote the growth and development of healthy bones and
teeth in both adults and children. In its active form, vitamin
D works with calcium to help control bone formation.
Vitamin D is unique, as it is not only obtained by eating foods
that contain vitamin D, but is also formed spontaneously in
the skin as a result of a photochemical reaction caused by the
sun in the epidermis. Vegetarians, the elderly, and individuals
receiving limited exposure to ultraviolet light (sunlight) may
be at risk of inadequate vitamin D levels.
Vitamin D - Functions and
Benefits
Improves the absorption and utilization of calcium and phosphorous
Contributes to the good functioning of the reproductive
system, the digestive system and the immune
system
Required for healthy bone and teeth formation
Good vitamin D levels may be associated with a reduced risk
of hypertension
Extreme deficiency may lead to the development of rickets
(aching bones)
Accelerated and pronounced tooth decay
The softening of bones
Lack of vigor
Muscular weakness
The inadequate absorption of calcium and the retention of
phosphorous in the kidneys
Recommended Daily Value:
400 IU (international units)
Most individuals will naturally meet or approach their daily
value of vitamin D if they regularly consume fortified cereal
and milk, eggs and fatty fish. Sufficent levels of vitamin D
can be obtained by receiving 10-15 minutes of direct sunlight
per day.
The over-supplementation of vitamin D is not advised (the safe
upper limit for adults is 2,000 IU per day), as prolonged periods
of high consumption over several months can can cause calcium
deposits in the soft tissues of the body, which can damage the
kidneys and the cardiovascular system.
- If you are pregnant or nursing do not take any form of vitamin
supplement unless you have discussed its use with your doctor.
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