Yes, creatine is a naturally occurring amino acid in the human body. Biochemically, it is a naturally occurring nitrogenous organic acid in vertebrates, which can help provide energy for muscles and nerve cells. Fitness drinks are sports drinks. You can drink some during exercise to replenish energy quickly.

It is suggested that the more creatine stored in human body, the more energy supply, the more fatigue recovery and the stronger exercise energy. When physical energy consumption is high, the human body needs about 5 grams of creatine every day. However, the requirement of creatine cannot be fully met in a large amount of diet.