Nutrabolt, a global leader in human performance and the maker of one of the nation’s fastest growing performance energy drink brands, C4 Energy, announces new clinical trial study claims on the benefits of C4 Smart Energy, showcasing the efficacy of its better-for-you and cognitive performance energy drink. Conducted at the University of Iowa, the new study tested the cognitive and mental performance effects of C4 Smart Energy, which contains a specially-formulated combination of clinically studied ingredients, including InnovaTea, a plant-based caffeine ingredient derived from green tea extract that delivers energy and alertness, alongside Cognizin, a patented citicoline designed to support