With the warm weather approaching, they'll seem like a tasty option. Water prevents dehydration, keeps skin healthy and aids in digestion.
Water also makes exercise safer by regulating body temperature and reducing cardiovascular stress.
For moderate workouts less than one hour, water is all you need because the body has enough stored energy to function safely, Nelson said. Instead of filling up on sports drinks, a healthy post-workout meal is a better choice to replenish lost minerals and nutrients. Sports drinks, however, can be beneficial during grueling physical activity lasting more than one hour because they are a source of carbohydrates that the body needs to replenish, she said. They also will help to rehydrate the body. Be careful, however, because there are 50 calories or more per serving.