Alpha-pyrrolidinovalerophenone, commonly known as ?-PVP, Alpha-PVP (A-PVP), gravel, flakka, or niff, is a synthetic stimulant from the cathinone family. Often referred to as “bath salts,” these substances have gained attention for their psychoactive properties and their resemblance to traditional bath salts.Originally synthesized in the 1960s, … Read More

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