The use of herbal bitters has been an integral part of almost every herbal tradition in the world. Extensively used in Europe, herbal bitters Enhance enhance digestion and assimilation by stimulating taste receptors on the tongue. This increases the flow of bile from the liver, which supports both digestion and the body's natural cleansing processes. Bitters are especially beneficial when taken after a heavy meal, or for general support of a healthy liver. Planetary Formulas Digestive Grape Bitters provides the three main classes of bitter herbs: tonic, warming and aromatic bitters.