Fernet Branca has been produced according to the original recipe that has been handed down from generation to generation. The bitters are made from 27 herbs and other ingredient. Its complete formula is a trade secret. Sources have reported that its recipe includes chinese rhubarb, aloe ferox (bitter aloe), cinchona, chocolate, quinine and angelica. The Branca Distillery – the manufacturer states that the drink contains “Rhubarb from China, Gentian from France, Galanga from India or from Sri Lanka, and Chamomile from Europe of Argentina”, as well as linden (tiliae flos), iris, saffron, zedoary, myrrh and cinchona.
Fernet-Branca has a higher ABV—39%—and lower sugar content than most other amari. FernetBranca is one of the few amari to be aged in a barrel for a full year.