hydration

Dehydration prevents the body from having a good performance, the loss of salts can lead to other problems, beginning of muscle cramps. When you sweat enough, you can drink only water. But if he has sweated copiously, and if repeated frequently
Drinks to take over the effort (or immediately before it) must have a minimum length of stay in the stomach and should do that at the level of the intestine, the absorption of water is as rapid as possible. These drinks are those called hypotonic (should read on the label if used as a beverage prepared). In this case the calorie content must be low. Among the salts, it is fitting that in addition to the presence of sodium and chlorine, having the potassium and magnesium.