Displaying 2 results of Lisdexamfetamine Stable Isotopes Lisdexamfetamine is a medication used to treat attention deficit hyperactivity disorder (ADHD) and binge eating disorder. Lisdexamfetamine stable isotopes are isotopically labeled versions of the drug that can be used for pharmacokinetic studies and determination of drug metabolism. These stable isotopes have the same chemical and physical properties as the non-labeled drug, allowing for accurate and reliable analysis.