May 15, 2008

-Vitamins

Vitamins are a group of substances essential for normal cell function, growth and development.

There are 13 essential vitamins. That means they are needed for the body to function. They are:

  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Vitamin E
  • Vitamin K
  • Vitamin B1 (thiamine)
  • Vitamin B2 (riboflavin)
  • Vitamin B3 (niacin)
  • Pantothenic acid
  • Biotin
  • Vitamin B6
  • Vitamin B12
  • Folate (folic acid)

Vitamins are grouped into two categories:

  • Fat-soluble vitamins are stored in the body's fatty tissue.
  • Water-soluble vitamins must be used by the body right away. Any left over water-soluble vitamins leave the body through the urine. Vitamin B12 is the only water-soluble vitamin that can be stored in the liver for many years.

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