n.one of the thirteen identified
vitamins which are among the nutrients needed for the
body to grow and function properly. It enables the
body to absorb and
use calcium, a nutrient
vital to the health of bones and teeth. Vitamin D is found in such foods as
egg yolks and liver, and is manufactured by the
body in the skin when it is exposed to sunlight.
a vitamin which is important in bone health and growth, calcium
metabolism,
nerve health and regulation of
heartbeat.