Herbs of Gold Hawthorn 4500 is a one-a-day formula that contains Hawthorn flower, leaf and berry to support cardiovascular system health. Hawthorn 4500 contains high-strength Hawthorn, a herb rich in flavonoids and procyanidins, which are potent antioxidant compounds that reduce free radicals formed in the body. Hawthorn 4500 supports healthy blood circulation and blood vessel health. Hawthorn is traditionally used in Western herbal medicine as a cardiotonic to strengthen the heart and help support healthy heart function.