I have been drinking Red Bull’s for years. I was up to 6- 12 oz cans per day. My daughter told me about cafeína. It has helped me tremendously to stop so much Red Bull. Some days I only drink 1 8 oz can. I throw a lot away cause I drink the cafeína. I am not a water drinker but this product has me drinking water and getting off so much Red Bull. If you need a boost, try one. It’s better than caffeine drinks for our health.