No preservatives (citric acid is added for flavor; it is not used as a preservative). Essential energy. Accelerates metabolism (Celsius alone does not produce weight loss in the absence of a healthy diet and moderate exercise. So, whether you walk the dog or work out at the gym, make Celsius part of your daily regimen). Burns body fat (Celsius alone does not produce weight loss in the absence of a healthy diet and moderate exercise. So, whether you walk the dog or work out at the gym, make Celsius part of your daily regimen). Clinically proven. No aspartame. 7 essential vitamins proven in 6 published university studies. In 2005, vitamin industry entrepreneurs created Celsius. How does it work? Celsius proprietary MetaPlus formula including green tea with EGCG, ginger and guarana seed, turns on thermogenesis, a process that boosts your body's metabolic rate. Drinking Celsius prior to fitness activities is proven to energize, accelerate metabolism, burn body fat and calories (Celsius alone does not produce weight loss in the absence of a healthy diet and moderate exercise. So, whether you walk the dog or work out at the gym, make Celsius part of your daily regimen). Your ultimate fitness partner. Please recycle.