Geek Bar Nicotine Strengths Explained (0%, 2%, 5%) & Cigarette Equivalents Did You Know? One Geek Bar vape contains 800 mg of nicotinethat's the same as 40 packs of cigarettes. Nicotine at these levels can: Harm brain development in youth U.S. Faces Vape Shortage as Tariffs Hit, Seizures Increase Tobacco Reporter How Many Cigarettes is One Puff of a Geek Bar Geek Bar Nicotine Strengths Explained (0%, 2%, 5%) & Cigarette Equivalents