(Crataegus laevigata) The leaves and berries have been used for digestive and urinary ailments and also popular for heart and cardiovascular problems like, strengthens the heart muscle and lower blood pressure. Other uses as a diuretic, an astringent, a nerve tonic and a dyspepsia treatment. Tested and found to have a positive inotropic effect. Properties Include: Anthcyanin-Type Pigments, Choline, Citric Acid, Cratagolic Acid, Flavone, Flavanoides, Folic Acid, Glycosides, Inositol, Pantothenic Acid, Para-Amino Benzoic Acid, Purines, Saponins, Sugar, Tataric Acid, Vitamins B1, B2, B3, B6, B12 and C