4-methylthioamphetamine drug Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/4-methylthioamphetamine Share Share Share to social media Facebook X URL https://www.britannica.com/science/4-methylthioamphetamine Also known as: 4-MTA Written by Kara Rogers Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and... Kara Rogers Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Oct 10, 2024 • Article History Table of Contents Ask the Chatbot a Question Ask the Chatbot a Question 4-methylthioamphetamine (4-MTA), synthetic psychoactive drug known primarily for its effects on serotonin, a monoamine neurotransmitter in the brain that is associated with the regulation of mood. Chemically, 4-methylthioamphetamine (4-MTA) is classified as an amphetamine, and it is structurally very similar to other designer amphetamine drugs, most notably MDMA (3,4, methylenedioxymethamphetamine; also known as Ecstasy). However, it has distinct properties and highly dangerous side effects. 4-MTA has no legitimate uses in medicine or research and is a controlled substance in many countries. 4-MTA acts by increasing serotonin release and by inhibiting the reuptake of serotonin into neurons and its breakdown by ...(100 of 415 words)

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