Perceptions of FDA authorized e cigarettes and use interest among young adults who do not use tobacco Meet the Juul killerthe NJOY ACE. I've only had it for 20 minutes, but as of now, I like it much better than juul. Hits better and much better flavor choices.. anybody Health groups and parents' organizations are now pushing back against the FDA's decision, which authorized mango, blueberry, and menthol flavored vapes for those over 21. The NJOY ACE: A Review of an Authorized Vape Pod System MUVATEGLOBAL