Rich in caffeine, tannins, saponins, theophylline, theobromine, and volatile oils; all these compounds act synergistically to provide vitality, improve circulation, and stimulate the nervous system. It increases cellular metabolism, activating fat burning and stimulating adrenaline secretion, which helps to speed up metabolism. In addition to its metabolic action, caffeine acts as a stimulant for the nervous system, being highly effective against fatigue. For these two reasons, it is very useful in weight control diets, to increase metabolism and prevent fatigue. Guarana reduces appetite and provides vitality, helping with weight loss. It improves blood circulation, due to its content of xanthine bases, it produces vasoconstriction in the cerebral vascular bed. Finally, it is a powerful mental stimulant. Usage: Take 1 to 2 tablets a day, preferably in the morning. Ingredients: 156 mg of guarana extract (20% caffeine) (equivalent to 625 mg of fruit).