Our Hawthorn extract is standardized to 1.8% flavonoids including vitexin and hyperoside. Hawthorn helps promote cardiovascular health by improving blood flow to the heart muscle.* Standardization assures specific, measurable levels of important compounds that provide beneficial activity in the body. Directions Take 1 capsule two to three times daily, preferably with food. If pregnant, nursing or taking any medications, consult a healthcare professional before use. Notes Keep out of reach of children. Tru-ID™ Certified