Hawthorn Leaves 1:2 contains Hawthorn leaves traditionally used to support cardiovascular system health. Hawthorn Leaves have been traditionally used in herbal preparations to: Support the healthy functioning of the heart muscle Promote cardiovascular system health Support a healthy circulatory system* Dilute 5 mL (approx. 1 teaspoon) in water or juice once per day, or as directed. Serving Size: 5 mL (1 tsp) Amount Per Serving Calories ... 15 Hawthorn leaf and flower 1:2 extract ... 5mL from Crataegus monogyna leaf and flower 2.5 g Other Ingredients: Purified water and 45% alcohol. Caution: Not to be used during pregnancy and lactation unless otherwise directed by a qualified health care professional.