Buy Xanax Online is the brand name for Alprazolam, which is used to treat anxiety and panic disorders, particularly generalized anxiety disorder (GAD). The drug belongs to the benzodiazepine class, which acts as a central nervous system (CNS) depressant. The drug works by enhancing the effects of a neurotransmitter known as GABA (gamma-aminobutyric acid), which is important for motor control, vision, and many other functions related to the brain's outer layer.