Nature's Way Hawthorn Berries are wild grown to ensure traditional nutrients. Hawthorn Berries support efficient heart function. As a dietary supplement, Hawthorn Berries are intended for use as part of a total program of diet, exercise and lifestyle changes to promote cardiovascular health. Hawthorn contains bioflavonoid complexes that help to improve circulation to the heart muscle. Hawthorn berries are historically popular in Europe as a cardio tonic. They can also be used to help treat nervous conditions like insomnia. The best results of this product are obtained when it is used continuosly. The abuse of Hawthorn Berries might lead to dizziness and/or discomfort.