A food supplement is a product containing a vitamin or mineral, vegetable, an amino acid, concentrate, metabolite, extract, or various combinations of the above. It does not replace food, and should take the form of a pill, liquid, tablets or capsules. It can also be labeled as dietary supplements.
The difference between the nutrients in the normal diet and is found in some pills, as they are received andmetabolized by the body. The speed at which a substance that absorbs and is used is determined by the body as a bio-availability. The compounds present in foods are broken down into the stomach. Then travel through the small intestine, liver or kidney, where they are metabolized and body parts.
It is shown that the natural nutrients are absorbed better than a pill or capsule in A. This is why you must take five, six or morePills in one day by the same amount of "good things", you get to eat healthy and natural. One capsule is useful when the nutritional value is also a large amount of food that can not consumed should be.
In 1941, the recommended daily allowance or RDA has been established to evaluate the recruitment of many people. In the '90s, the dietary reference intakes are born. Their purpose was to create meal plans for men and diets. They includefour dietary measures:
The GDR something refined, the estimated average requirement or the ear that the amount of nutrients by half the population is necessary. This is a solid foundation of scientific knowledge.
The measure is as follows adequate intake, or AI. This is similar to the ear, but more substances that are not used in a search for high availability.
Last on the list is the maximum tolerable level of intake, which is the largest amount of nutrientscan be consumed in one day.