The newest nicotine product comes in multiple different flavors and is growing in popularity among teenagers. Zen is *** tiny pouch full of nicotine that you put inside your gums. The process is similar.

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

Zyn products will be allowed to stay on the market after federal health officials said Thursday that the popular nicotine pouches can help adult smokers cut back or switch completely.

Little pouches of nicotine sold by the brand ZYN were given the green light for marketing this week through the U.S. Food and Drug Administration’s premarket tobacco product application (PMTA) pathway.