Don't drink protein powder when eating hamburgers after fitness, because bread in hamburgers can provide a certain amount of carbohydrates, hamburgers can provide enough protein, fat and iron, and onions and lettuce can provide a small amount of fiber, which has ensured protein's intake after fitness, so don't drink protein powder when eating hamburgers after fitness.
Fitness is a kind of exercise, which can enhance the strength, flexibility, endurance, coordination and control of all parts of the body, thus making the body strong.