1. What Is Bupropion? Bupropion is a prescription medication commonly used to treat major depressive disorder (MDD) and seasonal affective disorder (SAD). It is also prescribed under the brand name Zyban to help people stop smoking by reducing cravings and withdrawal symptoms. Bupropion belongs to the class of drugs known as norepinephrine-dopamine reuptake inhibitors (NDRIs), … Continue reading Where to Buy Bupropion?