Electronic cigarettes: what is metatin and why this new molecule is worrying Risk of addiction, inflammatory reactions... The National Committee Against Smoking warns about a new molecule, metin, which is increasingly present in vaping products. Caution on Metatin. In a press release published on Monday, May 26, the National Committee Against Smoking (CNCT) alerts consumers to 6-methyl-nicotine or metin, this new molecule used by the tobacco industry and comparable to nicotine. It is especially present "in several vaping products and oral pouches marketed in France and misleadingly presented as innovative, without tobacco or nicotine". However, this new molecule, derived from classic nicotin... [Read more]