Federal health officials on Thursday backed the public health benefits of nicotine pouches, authorizing Philip Morris International’s Zyn to help adult smokers cut back or quit cigarettes.

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 formally authorized Zyn nicotine pouches for sale after conducting an "extensive scientific review" about their safety.