Guarana is a natural, herbal source of Caffeine and other phytochemicals. It’s seeds contain about twice the concentration of Caffeine found in coffee beans. Guarana contains widely varying mixtures of xanthine alkaloids other than Caffeine, including Theophylline and Theobromine and other substances such as polyphenols. It has traditionally been used as a refresher. Our SUPER GUARANA also provides Calcium that contributes to normal energy-yielding metabolism, normal muscle function and neurotransmission, the maintenance of normal bones and teeth.