Juul granted FDA marketing approval 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 The FDA announced Thursday that Juul labs can continue to sell e cigarettes and refill cartridges, determining that the company's menthol and tobacco flavored pods are appropriate for the protection of public health. FDA Authorizes Juul E Cigarettes in Tobacco and Menthol Flavors Tobacco Reporter