Zyn and the retailers who sell the product have run afoul of regulators in recent years. The FDA in April of last year warned 119 retailers to stop selling Zyn to underage people, and the company was ordered to pay $1.2 million last year for violating Washington, D.C.’s smokeless tobacco ban.

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 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.