It Is Trendy Because its the generic form of Xanax, Alprazolam. Presenting the new Podcast on Health Tips With Xanax in this Halloween Season. Keep your headphones ready And listen to the latest episode for good health. Blue Xanax bar because it is the most effective pill for anxiety Disorder. It Works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in the brain. GABA is mostly useful for reducing Anxiety disorder in the body. Click Next Episode for more Information.