Displaying 1 results of Tonabersat Stable Isotopes Tonabersat is a drug that is being studied for its potential to treat migraines and other neurological disorders. It works by blocking certain channels in the brain that can cause inflammation and pain. Stable isotopes are used in the development and testing of Tonabersat to ensure its safety and effectiveness. These isotopes are non-radioactive and do not pose any health risks to patients.