General Medical Advices

What are they?

Sports drinks are designed to provide energy and replenish lost water and minerals after physical exertion over an hour. Moreover, taken before and during exercise can delay fatigue and improve performance.

Your isotonic adjective means containing similar concentrations of particulate matter (sugars and mineral salts, mainly) that the blood, which favors their rapid assimilation.

What content?

They are mostly a mixture of water soluble carbohydrates and minerals.
Water .- The water supply losses successfully countered it by the sweat, which could jeopardize the athlete’s physical performance and health.

Carbohydrates or sugars .- The proportion of carbohydrates should be appropriate, between 5 and 10%, being generally a mixture of glucose and fructose. Below 5% sugar, would behave like a sports drink but low calorific value, and if their concentration is high (above 10%), we assimilate more slowly and our bodies need to digest like a food in question.

Your carbohydrates provide energy for exercise, reduce the degradation of muscle glycogen stores and help maintain stable blood glucose levels, while accelerating the uptake of water.

Minerals .- A varied and balanced diet covers plenty of minerals and needs no supplementation would not be necessary for the practice of exercise. However, these drinks contain sodium, chloride and potassium that improve the taste and in the case of sodium, helps prevent water retention that it is eliminated in the urine.

Vitamins .- There are many drinks that include vitamins in their formulas, which rather serve as a commercial claim more than anything else.

Dyes .- also often contain dyes, usually orange, to give a more pleasing appearance, and in some cases sweeteners such as cyclamate and saccharin whose use appears to be unjustified.

Are they useful for slimming?

This could include low-calorie weight loss diets, low in calories, great power of hydration and mineral and vitamin intake in some cases.
However, its use would never as a food supplement. Also, do not forget their concentrations in excitatory substances.

Are they food or food supplement?

In any case, professional or amateur athletes or diets, only be used as a supplement. Do not forget that dietary supplements are designed to complement a balanced diet, not replace it.

Only a healthy diet, varied and balanced according to our needs, will meet the nutritional demands of our body. And in an extraordinary wear situation, or in the case of diets, their properties will benefit from rehydration and vitamin and mineral wealth, but they can never replace a meal.

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