According to one authority, Hawthorn has an effect on energy levels and on the body's ability to burn up calories quickly by boosting metabolism. Heart and circulation stimulant Crateagus oxyacantha Hawthorn berries are widely used to strengthen and balance the heart and circulatory system. Bioflavonoids cause dilation of blood vessels, especially coronary arteries. They produce a feeling of well-being by reducing blood pressure and cholesterol. This is a plant that truly seems to target the tissues of the heart.
Researchers believe that hawthorn helps the heart in several ways.
It dilates coronary arteries to improve blood supply. It may increase the heart's pumping force, eliminate heart-rhythm irregularities and remove cholesterol from arterial walls. Even though hawthorn is safe, you should discuss adding hawthorn to your treatment with your physician. In 1996 the extract was improved by replacing alcohol with glycerine and adding natural blackberry flavor.