The U.S. Food and Drug Administration recently authorized the marketing of 20 nicotine pouch products under the Zyn brand, including flavors like Wintergreen and the "unflavored" Chill.

They contain nicotine or synthetic nicotine and filler that is mostly flavor like mint or fruit. "We're very concerned about Zyn use right ... Others just like the flavors and the head rush ...

In 2020, the F.D.A. banned many of the candy- and fruit-flavored vapes that may have ... Because of the Juul debacle, Zyn flavors in the U.S. are restricted to mint, coffee, cinnamon, and citrus ...