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 FDA Denies Approval for Juul Tobacco and Menthol Vapes FDA approves Juul's tobacco and menthol e cigarettes Reuters FDA allows Juul to sell vapes in the U.S., barely a year after ban The Washington Post