How Much Nicotine Is in a Geek Bar Pulse? 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 Coffee Tobacco Geek Bar Pulse Disposable Vape Zero Nicotine Geek Bars Near Geek Bar Pulse Zero Nicotine Disposable Vape 16ml Vapesourcing Zero Nicotine Geek Bars Flavors Australia