FDA Approved Vape Products Safe & Certified Devices 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 APPROVED FLAVORED VAPES The FDA approved marketing for four flavored vapes made by the company Glas Inc. in what the agency says is an effort to tamp down on underage use FDA Reopens Review of Juul Vapes After Rescinding Ban Respiratory Therapy