Vitamins are necessary for substances exchange. Vitamins and enzymes contribute for proper and normal body function. Thanks to the information for vitamins, humans can regulate nutrition and this contributes to normal and healthy body function. In this way, people reduce diseases.

The deficiency of vitamins or hypovitaminosis usually occurs as a result of poor vitamin absorption in the body or disorder in the substances exchange. Also occurs at people who have long term-feed through infusion solution and at chronic alcoholics. At some people appear as a result of hunger and malnutrition.

How Vitamins Affect on System Function

Daily intake of vitamins should be moderate. You should take care about the manner of food preparing, in which will be retain more vitamins and other nutrients.

Important vitamins for proper body function are: vitamin A, vitamin B1, B2, B3 (niacin), B5 (pantothenic acid), B6, B7 (biotin), B9 (folic acid), B12, vitamin C, vitamin E, vitamin D, vitamin K.

Very small part of vitamins can be synthesized in the human body – vitamin D under the influence of sunlight, vitamin H and vitamin K – by intestinal flora and vitamin B 3 – from amino acid tryptophan, which must be enter through food.

9 vitamins are water-soluble and 4 vitamins are fat-soluble.

  • Water-soluble vitamins include B group vitamins and vitamin C. The body retains a small amount of these vitamins and it is necessary daily intake of this vitamins through food.
  • Fat-soluble vitamins are vitamin A, D , E, K. These vitamins can remain in the body very well, mainly in the liver and adipose tissue. Vitamin surplus in the body can lead to hypervitaminosis, which could lead to disorder of body function.

In certain periods of human life, increase the needs for vitamins intake:

  • during growth and development
  • during pregnancy
  • during stress

In these periods are recommended larger quantities of food rich in vitamins or vitamin supplements.