APVP Crystal Powder.Alpha-PVP Crystals (also known as A-PVP, Alpha-PVP, α-Pyrrolidinopentiophenone or flakka) is a synthetic stimulant drug of the cathinone and pyrovalerone classes. It is chemically similar to other pyrovalerone compounds such as MDPV and cathinone compounds,. It generally comes in the form of either a crystalline powder or large crystal shards which users can ingest to produce effects which are somewhat similar to that of amphetamine
