Vitamins are organic compounds (contain at least one carbon atom) that meet vital functions related to metabolism and the production of hormones, neurotransmitters, blood cells or genetic material. They also possess enzymatic function accelerating chemical reactions, that without her presence would be carried out too slowly to have biological interest. Do not produce energy, but they are involved in the synthesis and maintenance of tissues.
Vitamins can be divided into two groups, the water soluble (soluble) and the fat soluble (soluble). Fat-soluble vitamins are stored in the body and are consumed with foods that contain fat.
Fat-soluble vitamins:
Vitamin A
Vitamin D
Vitamin E
Vitamin K
Water-soluble vitamins:
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B6
Acid folic
Vitamin B12. Vitamin C biotin
Pantothenic acid
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The recommended daily amounts or recommended daily allowances (RDA) are provided by different government agencies. Vitamins we can produce vitamin D which is formed in the skin from exposure to sunlight and vitamin K, B1, B12 and folic acid by intestinal flora but are too small quantities to meet the requirements. They are related mainly to the processes of formation or maintenance of tissue structures, immune processes and antioxidant activity. Of these, vitamins A and E participating in the protection of cellular and subcellular membranes, while vitamins D and K are involved in the synthesis of proteins specific linked to the metabolism of calcium and