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4-Fluoroamphetamine (4-FA; 4-FMP; PAL-303; “Flux“), also known as para-fluoroamphetamine (PFA) is a psychoactive research chemical of the phenethylamine and substituted amphetamine chemical classes buy 4-FA 100g Crystal online.

BUY 4-FA 10g Crystal online It produces stimulant and entactogenic effects, and is described subjectively as being between amphetamine and MDMA. As a recreational drug, 4-FA is sometimes sold along with related compounds such as 2-fluoroamphetamine and 4-fluoromethamphetamine. BUY 4-Fluoroamphetamine Crystal online

4-Fluoroamphetamine is a substituted amphetamine that offers effects somewhere between those of amphetamine and MDMA. It’s been a member of the research chemical market since the late 2000s.

It has at times been a more popular research chemical because it does have a unique and potentially desirable effect profile.

Not enough is known about the drug to be sure about its safety level, particularly with chronic use.

Usage

Toxicology

The LD₅₀ (mouse; i.p.) of 4-FA is 46 mg/kg.

4-FA has only been involved in one death worldwide, where it was combined with amphetamine, methadone and benzodiazepines.

Pharmacology

4-Fluoroamphetamine is a releasing agent and reuptake inhibitor of dopamine, serotonin, and norepinephrine. The respective EC₅₀ values are 2.0 x 10⁻⁷ M, 7.3 x 10⁻⁷ M, and 0.37 x 10⁻⁷ M, while the IC₅₀ values are 7.7 x 10⁻⁷ M, 68 x 10⁻⁷ M, and 4.2 x 10⁻⁷ M.