New Legislation Aims to Cap Nicotine Levels in E-Cigarettes. The bill would limit nicotine content to no more than 20 milligrams per milliliter. Popular e-cigarette Juul contains several times that amount, with its 5% pods containing about 59mg/ml. The change is intended to prevent addiction among youth, which has become a widespread issue in the United States. The US Food and Drug Administration revealed that 27.5% of high schoolers used e-cigarettes, up from 11.7% in 2017. Capping the concentration of nicotine in e-cigarettes is integral to ending the youth vaping epidemic by making these products less addictive, less appealing to youth, and less harmful to public health, US Representative Raja Krishnamoorthi
