Dietary Supplement. Definition. With clinically tested Cycloburn. The Science Behind the Size: Product: An advanced fat loss and performance and endurance-enhancing formula that has Cycloburn, MaHuang, Green Tea, Guarana and Citrus Aurantium. Result: Encourages the body to naturally promote fat metabolism. Science: Cycloburn, a patented dietary ingredient, has been shown to promote lean body mass. Cycloburn is a clinically tested herbal extract from the roots of the Coleus forskohlii plant. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)