Maqui berries are the fruit of a blueberry-like tree that grows in Patagonia. One of the recognized properties of maqui berries is that they are rich in vitamins E and B5, they are a valuable aid in reducing tiredness and fatigue, as well as helping concentration. They also strengthen the immune system and are useful in fighting cholesterol. They also help decrease the allergic response, improve vision, normalize blood glucose levels and, since they boast astringent properties, they are useful in case of dysentery. We recommend taking it 05 gr. per day.