Juul e cigarettes win FDA authorization, sources say Nicotine use among young people is evolving. New research shows more youth are using multiple nicotine products at the same timemost commonly cigarettes and e cigarettes, with a growing rise in combining vapes How much nicotine is in JUUL? JUUL Pod Ingredients: What's in E Cigarettes? Poison center warns of JUUL use; 1 pod has 5% nicotine or 1 pack of 20 cigarettes Nicotine formula used by e cigarette maker Juul is nearly identical to the flavor and addictive profile of Marlboro cigarettes : r science