4-Fluoromethamphetamine (4-FMA) is a stimulant drug related to methamphetamine and 4-fluoroamphetamine. It has been reported to be sold as a designer drug, but little is known about its pharmacology or toxicology. [2]

4-Fluoromethamphetamine (also known as 4-FMA) is a lesser-known novel stimulant-entactogen substance of the amphetamine class. 4-FMA is chemically related to 4-FA and methamphetamine. Little is known about its pharmacology, but it likely produces its effects by increasing levels of dopamine, norepinephrine, and serotonin in the brain.

2023年5月17日 · What is 4-FMA? 4-FMA is one of the many designer drugs belonging to the fluorinated amphetamine subclass. In the party scene, fluorinated amphetamines are a popular subtype as they provide a novel mix of amphetamine-like stimulation coupled with empathogenic and sometimes slightly psychedelic effects.

The FMA instruction set is an extension to the 128- and 256-bit Streaming SIMD Extensions instructions in the x86 microprocessor instruction set to perform fused multiply–add (FMA) operations. [1] There are two variants: FMA4 is supported in AMD processors starting with the Bulldozer architecture. FMA4 was performed in hardware before FMA3 was.

4- Fluoromethamphetamine (4- FMA) is a stimulant drug related to methamphetamine and 4- fluoroamphetamine. 1 Though little is known of the pharmacological properties of fluoro- methoxy- substituted amphetamines, 4- FMA has been identified as a component of designer drugs sold as “legal high” replacements for restricted substances. 1 The ...

4-Fluoromethamphetamine (4-FMA) is an amphetamine-like psychoactive substance with recognized entactogenic and stimulant effects, but hitherto unclear toxicological mechanisms. Taking into consideration that the vast majority of 4-FMA users consume this substance through oral route, the liver is exp …

4-氟甲基苯丙胺 (4-FMA) 是一种苯丙胺类精神活性物质，具有公认的致敏和兴奋作用，但毒理学机制尚不清楚。 考虑到绝大多数 4-FMA 使用者通过口服途径消耗这种物质，预计肝脏会高度暴露。

2021年11月1日 · 4-Fluoromethamphetamine (4-FMA) is an amphetamine-like psychoactive substance with recognized entactogenic and stimulant effects, but hitherto unclear toxicological mechanisms. Taking into consideration that the vast majority of 4-FMA users consume this substance through oral route, the liver is expected to be highly exposed.

Psychoactive class: Stimulants, Entactogen. Chemical class: Substituted amphetamines.

A categorized index of first-person experiences with 4-Fluoromethamphetamine