Alprazolam, best known by its brand name Xanax, belongs to the benzodiazepine class of medications. The 2 mg strength, especially the rectangular “green bars” (often imprinted with “S 90 3” or similar markings), is one of the most potent and most commonly counterfeited forms circulating on the black market. While a legitimate prescription for alprazolam can be life-changing for someone with diagnosed generalized anxiety disorder or panic disorder, obtaining it without medical oversight—particularly from online sources claiming “no prescription needed”—almost always means buying from illicit vendors.
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