As teen use of Juul soars, doctors ask, what's really in these e cigs? Nicotine & E Liquid: What Strength Do You Need? E Cigarette Direct 1 standard vape pod does not directly equal 20 packs of cigarettes in terms of nicotine content, but it can contain nicotine equivalent to a pack of cigarettes. A JUUL pod, for JUUL Pod Ingredients: What's in E Cigarettes? Study: Juul Pods Contain Caffeine. What's It Doing There, And What Does It Do? JUUL The Smoking Alternative, unlike any E Cigarette or Vape