FDA allows Juul to sell vapes in the U.S., barely a year after ban The Washington Post Today, FDA sent a warning letter to JUUL Labs for marketing unauthorized modified risk tobacco products (MRTP) by engaging in labeling, advertising and or other activities directed to consumers, including a presentation given Juul Labs gets FDA approval to keep e cigarettes on market Washington Business Journal FDA Strikes Again Flavored Vape Pods Are Banned, JUUL Gets Hit Hard