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Creatine is a supplement to the type diet that is commonly used by athletes as an active agent energy producer for the sport or physical effort, especially the short-term and high-intensity as races be short of athletics or swimming, weightlifting, sprint in rapid movements or force.
We can say that creatine is the supplement “fashionable” at present, given the large amount of sporting disciplines that use it. The international regulations (I. O. C.) ethical do not consider an element of doping.
Creatine is a substance of protein nature that our agency produced in small quantities of usual way and is similar in its membership to an amino acid.
Summed up in the liver, kidneys, and in the pancreas from glycine and arginine that are present in the daily diet. It also can be obtained through a diet rich in dairy products, red meat and fish. For each kilo of meat we can get about 5 grams of Creatine .
However the Creatine in cooking and prepare the food is drastically reduced. It is not present in the plants, so that the “vegetarians”, who do not eat meat or fish, have a very low creatine in its musculature, and are in the best, can take advantage of the creatine supplement form.
The Creatina operates in the body through its conversion into Phosphate, which causes the refosforilación of ADP (Adenosíndifosfato), thus contributing actively to the production of energy.
Given that the Creatine works synergistically with insulin to increase the energy levels in the body, is recommended to combine the supplements of Creatine with carbohydrates (sugar or glucose), which increases the capture of Creatine by the muscles, obtaining therefore, even higher levels of glycogen and energy.
The Creatine is eliminated by the kidneys as its metabolite creatinine. The administration for short periods with high doses, (in healthy people, without kidney damage) has not shown problems in the body.
However, they must be careful in people with kidney dysfunction or who are on diuretics or other substances that compete with Creatine renal tubular secretion.