The answer is carbohydrate. After a workout there is a need to consume carbohydrate – rich foods to replace your muscle stores. Examples for a fruit is bananas, it is a good source of carbohydrate and produced electrolytes, such as potassium. Between 45 and 65 percent of your total daily calorie intake should come from carbohydrate. A 27 grams of carbohydrate and 422 milligrams of potassium you can find it in medium banana.