Examples: Gatorade, Powerade
Calories: 50 per 8 oz.
Electrolytes: Yes
Carbohydrates: Yes
Caffeine: No
Protein: No
The Science Says: Research shows that the easily digestible carbohydrates in sports drinks fuel prolonged physical activity better than plain water. Plus sports drinks replace electrolytes (particularly sodium and potassium) that are lost via sweat.
What It's Best For: During exercise that lasts longer than 60 minutes, especially intense exercise in the heat.