What Are Green Xanax Bars? Green Xanax bars are green-colored Xanax pills that typically contain alprazolam, a benzodiazepine tranquilizer used to treat anxiety disorders and panic attacks. They are nicknamed “ Hulk Xanax ” due to their green color and high potency. The pill with imprint S 90 3 (Green, Rectangle, 15 mm) has been identified as Alprazolam 2 mg. It is used for Anxiety, and Panic Disorder, and belongs to the drug class benzodiazepines, classified as a Schedule 4 controlled substance. Green Xanax, when it is made legally, is alprazolam. Alprazolam is a benzodiazepine that is commonly prescribed to help people who struggle with anxiety or panic disorders. In this article, we’ll detail everything you should know about green Xanax, including its risks, side effects, and signs of addiction. Read on for all the details. Green Xanax bars, also called Hulk Xanax, are a powerful form of the prescription drug Xanax (alprazolam). These bright green pills are often used to treat anxiety and panic disorders [1]. While Xanax can be effective when prescribed by a doctor, using it without medical supervision can be dangerous. Ever wonder what makes Green Xanax different from the regular blue and white Xanax bars? Actually, the color just refers to the dye and/or manufacturer Xanax (alprazolam) is a benzodiazepine medication used to treat anxiety and panic disorders. Includes side effects, interactions and safety information. The ER colors run white at 0.5 mg, yellow at 1 mg, blue at 2 mg and green at 3 mg, with enough exceptions that the color is a hint rather than an answer. Reading an ER tablet against the immediate-release pattern is how people arrive at the wrong dose. One of the most talked-about, and often misunderstood, substances on the market today is something called a Hulk Bar. Also referred to as green Xanax bars, Hulk Xanax, or the green monster Xanax, these pills are part of a dangerous and growing trend involving counterfeit prescription drugs. Learn about green Xanax, including whether it is fake, what other substances could be in it, and where to seek help for drug addiction.