Exclusive Nicotine like chemicals in U.S. vapes may be more potent than nicotine, FDA says Senators grill FDA regulators and Justice Department officials over rise of unauthorized e cigarettes PBS News There are only four FDA authorized vape brands on the market and none are available in flavors. Yet THOUSANDS of flavored vape products are still accessible for purchase at our local retailers. E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA