These resources were developed through research grants provided by the Department of Veterans Affairs Rehabilitation Research & Development (VA RR&D) Service. You can return the product, even empty bottles, within 60-days of purchase to receive a full refund. It is strongly advised to use hearing protection in loud or noisy environments. Tinnitus can be described as the perception of sound when there is no actual sound or noise. There are tiny, delicate details. The activity of the supplement helps to create protective layers. Cortexi has 20 ingredients that are hand-picked to support hearing and ear health. Listening to different sounds makes it easier to focus your attention on other sounds instead of tinnitus. These devices are not usually covered by Medicare or insurance carriers. Tinnitus can be heard but not heard by others. These may cause tinnitus (or worsen it) if taken in large quantities. You will be provided with the procedure codes in order to bill your insurance directly and receive reimbursement for Out-of-Network. To address the causes of chronic tinnitus, however, no evidence-based curative or integrative treatment has been found.