http://www.mindsciencelab.com
XG40 Brain Tune-Up Methodâ„¢ is the most advanced digital audio series that is designed to help those with ADD/ADHD create better focus and concentration in 7 steps. It gives the brain a mental workout through neural stimulation of the brain. This increases the brainwave frequencies which helps to retrain the brain and creates optimal focus without the use of dangerous drugs.