Promotes healthy heart function. Clinically proven nutrition for heart health. Helps support blood flow and nutrient flow to your heart muscle. Many hawthorn extract formulas contain 2% vitexin extracted from hawthorn berries. But this formula delivers 18.75% oligomeric procyanidins extracted from the herb’s potent leaves and flowers instead, allowing up to 10 times more of the key active bioflavonoids necessary for efficacy. Validated by over 50 years of clinical research, this formula has been shown to support efficient heart muscle metabolism by improving its oxygen and energy utilization, each tablet contains 80 mg hawthorn leaf and flower extreact standardized to 18.75% oligomeric procyanidins (15 mg). Take 1 tablet twice daily with water. For intensive use take up to 2 tablets three times daily with water. Best results are obtained with continual use.