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Isotonic drinks are preferred by athletes because they contain additional nutrients the body needs when working out. When a body gets a big workout from running or playing a sport, it loses sodium and carbohydrates that are needed for energy to maintain the endurance it needs for a top performance. An isotonic drink contains a small amount of sodium and carbohydrates to replenish the loss.
When you look at the term isotonic', it can be broken down to iso' and tonic'. Iso comes from Greek terminology meaning equal. Tonos refers to pressure. Putting the two words together creates the word isotonic. In isotonic drinks, there is the same concentration of sodium as can be found in blood plasma.
Sodium is lost in the body when you sweat. When you lose sodium, you also reduce the amount of water that you can excrete from the body also. The body absorbs sodium through the small intestine. Water is taken from the body when sodium is absorbed into the blood. When sodium is lost from the body through sweating, the amount of water that is excreted from the body is reduced.
Isotonic drinks also replenish dehydration. Dehydration is responsible for impairing someone's sporting performance drastically. When you drink more than just water but a drink that includes sodium and carbohydrates then you truly re-hydrate the body properly. These types of drinks are far more effective than just drinking water.
Performance can lack when you drink just water to rehydrate the body. This is because water doesn't contain what the body needs to be truly hydrated. The type of event a person is competing or taking part in doesn't matter. Some people think that isotonic drinks are for those in endurance events but this is not the case. Even an aerobic class or a 10 mile run can benefit from drinking replenishing drinks like these because they can help the body have the endurance it needs.
Many people think that they cannot afford isotonic drinks also. This should not be of any concern either. If you are working out every day and cannot afford to buy cases of these drinks to keep your body healthy and hydrated then you can make your own. All you have to do is add a pinch of salt to a bottle of water. The sodium is what you need.
Isotonic drinks are very good for the body and they can help anyone make it through an aerobics class or through a competitive sporting event. These drinks replenish the body with the needed sodium it needs so it can have the endurance to make it through an event. They provide replenishment to rehydrate and increase the body's energy too. The best thing any athlete can do is drink isotonic drinks and if you cannot afford them then make them yourself.
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