Vitamins are substances that the body needs to live, the only vitamin synthesized by the body is vitamin D, except for this, the body needs an external power supply to get the rest of vitamins, because he can not produce by itself, or does it in insufficient quantities.
Without vitamins, the majority of chemical operations, which are produced in the body, could not perform, they are also essential for maintaining cell structure, good state of tissues, and a positive mental attitude. Tri-fold divided into: fat-soluble vitamins and water soluble vitamins.
Fat-soluble vitamins are soluble in fatty substances, not easily altered and the body can store. Highlights of vitamin A, D, E and K