1-3 bottles (250ml per bottle), i.e. not more than 750ml. As a functional drink, Red Bull contains caffeine and potassium, which can stimulate the nerves and speed up the metabolism, so excessive drinking is not recommended. In general, the amount of Red Bull consumed in a day should be limited to 1-3 bottles (250 ml per bottle), i.e. no more than 750 ml. Excessive consumption of Red Bull will have certain effects on the heart, kidneys, mouth, body weight and blood sugar, which is not conducive to good health. Also, the time and occasion of drinking Red Bull need to be taken care of. It is usually recommended to drink it before and after exercise, which can help replenish energy and improve athletic performance. However, it should be noted that Red Bull is not a substitute for diet, but only a way to replenish energy. In your daily life, you also need to maintain a balanced diet structure and avoid consuming a lot of spicy and sour food, so as not to cause damage to the body organs.