Are Geek Bars Safe? Disposables Health Scares Reviewed Guide for Optimal Vaping: When to Replace Your Geek Bar 800 mg of nicotine = 40 packs of cigarettes. That's what's inside just one Geek Bar. Nicotine at these levels can: Harm brain development in youth Increase blood pressure and The Safety of Geek Bar Pulse X Vapes: A Comprehensive Analysis Vape Papa Bad For Your Lungs Are Geek Bars Safer Than Cigarettes? Clear Health Facts Bar Legal Geek Bar Zero Nicotine vs. Jones for quitting vaping Jones