4FMP
4FMP, also known as 4-fluoromethamphetamine, is a stimulant drug. It is a fluorinated analog of methamphetamine. Information regarding its pharmacology, toxicology, and effects in humans is limited. Due to its chemical structure, it is believed to act as a releasing agent and reuptake inhibitor of monoamine neurotransmitters such as dopamine, norepinephrine, and serotonin.
Research into 4FMP is sparse, with most available information stemming from forensic analysis and user-reported experiences.
4FMP is not approved for any medical use. It is often encountered as a research chemical or