Its secret formula, passed down from father to son in the Branca family, has guaranteed the protection of the quality that still makes it the digestive bitter liqueur par excellence. Indeed, the 27 herbs it contains come from all five continents: aloe comes from South Africa, rhubarb from China, gentian from France, galingale from India or Sri Lanka, chamomile from Italy or Argentina, just to name a few. On top of that there are flowers, herbs, roots and plants used for alcoholic brews, extracts and teas that, blended in a special mixture, produce the beneficial properties of the product.