Vitamins are essential in metabolism and necessary for growth and for the proper functioning of the body. But it can not itself produce them, except for vitamin D is vitamin D produced, which can be formed on the skin by exposure to sunlight, and K, B1, B12 and folic acid, which are formed in small quantities in the intestinal flora.
Each vitamin has a specific function on the body, they get from the various foods, for that reason we should eat a diet that contains them all in a balanced way. We must take an appropriate mix of food groups to solve any vitamin deficiencies.
Although by themselves do not provide energy, vitamins are essential substances in our nutrition. Without them the body could not take the constructive elements and energy provided by food.
To become aware of the importance of vitamins in our body, we must understand how without them it would not be possible reactions within the body that make it fulfill its normal functions were met.
Simplifying, its effect is to help convert food into energy. We should note that ingestion of large amounts of vitamins does not help because it does not raise the physical capacity. Are used only in higher doses if there is a deficit of any of them (caused by unbalanced diets or fatigue).
We must also consider the needs of the vitamin dose will vary according to our age, sex and even by time of year.
