The FDA authorized the marketing of 20 different Zyn nicotine pouch products -- the first brand to clear this regulatory hurdle in the increasingly popular class of single-use sachets of flavored nicotine designed to be placed between the lip and gums,

The Food and Drug Administration OK'd 10 Zyn flavors, including coffee, mint and menthol. It's the first time regulators have authorized sales of nicotine pouches, which are the fastest-growing segment of the U.S. tobacco market.

Nicotine pouches are a newer class of smokeless products that don’t contain tobacco. Zyn became the first FDA-authorized brand on Jan. 16.