Buy Xanax Online is a brand name for the drug alprazolam. Xanax belongs to the class of drugs known as benzodiazepines. It is primarily prescribed to treat anxiety disorders, panic attacks, and insomnia. It can be bought from the Nuheals pharmacy website for the best results. Xanax works by increasing the levels of a neurotransmitter called GABA in the brain, which helps to calm the central nervous system.