Caffeine mobilises the body's energy reserves by breaking down sugar. It stimulates the heart, dilates the vessels, causes bronchial relaxation and boosts the metabolic rate. Guarana is famous for having the highest caffeine content of any plant in the world and to be a powerful aphrodisiac. As a natural constituent of plant fibre, the caffeine is absorbed slowly, prolonging the stimulating effect for up to eight hours. L-carnitine is also an amino acid which increases stamina and performance. It allows muscles to make the most of the energy they store and helps burn-off fat. Taurine is an amino acid and plays a key role in the development of the central nervous Together these ingredients boost the metabolism, blood circulation and the central nervous system. They help the body break down toxins and give it the fresh supply of energy it needs quickly and effectively.