A study from Texas Christian University shows that sports drinks help you exercise longer than drinking just water, but they will not help you as much as eating salted food and drinking water.
Most sport drinks contain water, sugar and salt to help you exercise longer. You need lots of water for prolonged exercise, and salt is necessary to make you thirsty so you will drink more. A drink containing lots of salt tastes awful and you would not drink it. The manufacturers of sports drinks know this, so they only add a little salt to their products. You will take in more salt if you eat salted foods and you will drink the most of the beverage that tastes best to you. Dilute fruit juice and salted potato chips, soda and salted peanuts, or any other combination of salted foods and beverages you like, will prolong endurance better than any sports drink.
JB Mitchell, WA Braun, FX Pizza, , Forrest. Pre-exercise carbohydrate and fluid ingestion: Influence of glycemic response on 10-km treadmill running performance in the heat. Journal of Sports Medicine and Physical Fitness, 2000, Vol 40, Iss 1, pp 41-50. Address Mitchell JB, Texas Christian Univ, Dept Kinesiol, Exercise Physiol Lab, POB 297730, Ft Worth,TX 76129 USA
Sports medicine doctor, fitness guru and long-time radio host Gabe Mirkin, M.D., and his wife, nutritionist Diana Mirkin bring you news and tips for your healthful lifestyle. A practicing physician for 50 years more
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