what are digestive bitters
An old bottle of âKuyavian Stomach Essence,â a bitters from Posen, Germany (now PoznaÅ in Poland). A bitters is traditionally an alcoholic preparation flavored with botanical matter such that the end result is characterized by a bitter, sour, or bittersweet flavor. Numerous longstanding brands of bitters were originally developed as patent medicines, but are now sold as digestifs and cocktail flavorings.