DYKOne Juul pod contains as much nicotine as a pack of cigarettes. Side effects include increased heart rate and blood pressure, lung disease, chronic bronchitis and insulin resistance leading to type 2 Do Juul Pods Contain Formaldehyde Juul can continue selling e cigarettes as FDA says vaping benefits What are the harmful ingredients in Juul pods? Sunset Vape JUUL manufacturers aren't required to disclose their ingredients. Cartridges or pods may contain arsenic, formaldehyde, rubidium, benzaldehyde, cadmium and or lithium. Scientists are still working to understand more fully the health