Bitters are to a cocktail as salt is to soup. Angostura Aromatic Bitters is a highly concentrated food and beverage flavoring. Made from a secret formula, it is a unique blend of natural herbs and spices which is used to flavor a wide variety of foods and drinks. The secret was developed in 1824 by Dr. J.G.B. Siegert, a Surgeon General in Simon Bolivar's army in Venezuela. He used his aromatic bitters to improve appetite and digestive well-being of the soldiers. The word Angostura came from the town of that name in Venezuela where Dr. Siegert was based. For more great brands and flavors, check out our complete selection of cocktail bitters! In stock and ready to ship. Features: Great for flavoring numerous classic cocktails. Specs: Capacity: 4 oz. 44.7% alcohol by volume.