What's in This?: Juul Pods What Are JUULpods? Discover Our Pods' Ingredients And Flavors JUUL Study: Juul Pods Contain Caffeine. What's It Doing There, And What Does It Do? THC Vapes vs. THC Gummies: Which Is Best for You? 3CHI 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 Canadian scientists exposed mice to vapour from JUUL e cigarettes and found it caused changes in the animals' pulmonary immune cell composition and altered gene and protein levels in their lungs. : r science