They are grains that have not yet been roasted, roasted are classified according to their color, light, medium, medium-dark and dark, in each roast we can find variants of flavor and aroma. In all cases we talk about coffee being the largest source of antioxidants consumed in the West, it has caffeine that is an active psycho, it stimulates the increase of adrenaline levels and we can obtain higher levels of dopamine and norepinephrine. In addition, it contains vitamin B2 and B5, manganese, potassium, magnesium and niacin.