Dietary Supplement. Recommended by Ear Doctors. Proven Results for Ringing in the Ears*. Supports Healthy Circulation*. Nutritional Support for Healthy Hearing*. Improves Circulation in Inner Ear*. Help Fight Tinnitus* Tinnitus is a common hearing disorder characterized by a ringing, roaring, hissing or buzzing in the ear. About one in five people have this condition. It can be constant or intermittent. The most common cause of tinnitus is age-related hearing loss, but working or living around noises can cause this condition.* Polyflavonol™.