8ightplus Premium Peak Bands are specially designed to help the wearer achieve peak productivity in daily activities and heightened athletic performance. 8ightplus Peak Bands have been proven to increase blood flow, enhance the balance of the body, and improve overall health and physical performance. Just like all 8ightplus products, the Peak Band works naturally, does not contain any drugs or chemicals, is non-invasive, is not addictive, and has no side effects.