The FDA has given marketing authorization to Zyn nicotine pouches. That doesn't necessarily mean they're safe to use, especially for young people, and experts say there's little evidence that they help adults quit smoking.

In a statement, the FDA said it has authorized the marketing and sale of Philip Morris International’s Zyn nicotine pouches. The pouches, which are placed between the lip and gum, are tobacco-free but contain nicotine. They come in different strengths and a variety of flavors such as citrus, coffee, peppermint and berry.

FDA authorizes Zyn nicotine pouches, citing public health benefits for adult smokers, despite concerns over flavored products' appeal to teens.

This marketing decision from the FDA covers 2 nicotine strengths, 3 mg and 6 mg, and 10 flavors of the small tobacco-free synthetic pouches.

The FDA authorized the marketing of 20 Zyn products on Thursday, marking the first allowance for the fast-growing nicotine pouches.

The U.S. Food and Drug Administration authorized the marketing of 20 Zyn products on Thursday, marking the first such move by the regulator for the fast-growing nicotine pouches segment in the country.

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, which have been available for more than a decade.

These items have become popular in c-stores as traditional tobacco sales plunge, and their approval sets the stage for continued growth.