Boost metabolic rate and support weight loss by increasing resting energy expenditure with the clinically studied ingredients in zuBURN! Clinical evidence suggests that the ingredients in zuBURN can help you burn up to an extra 130 calories per day by elevating resting energy expenditure. Supported by over 11 human clinical trials, the ingredients in zuBURN are shown to increase metabolic rate, increase fat burning, improve waist-to-hip ratio, suppress appetite, and improve exercise performance. Warning: Contains 150mg of caffeine.