FILE - Containers of Zyn, a smokeless nicotine pouch, are displayed for sale among other nicotine and tobacco products at a newsstand on Feb. 23, 2024, in New York.  (AP Photo/Bebeto Matthews, File)The inside of a smoke and tobacco shop in Center City, Philadelphia, was covered wall to wall with various products — traditional cigarettes, vaping pods and cartridges, chewing tobacco and more. On the front counter, a shelf displayed small round canisters with brightly colored packaging for Zyn, a brand of nicotine pouches. These are a newer class of smokeless products that don’t contain tobacco. Zyn was just authorized by the U.S. Food and Drug Administration as a less harmful product compared to cigarettes and other smokeless tobacco. It’s the first and only nicotine pouch brand to get this approval to date. Nicotine pouches are becoming more popular in the United States, data show. They are white, porous sacs about the size of chewing gum pellets and come in flavors like cool mint, citrus, cinnamon and coffee. They’re placed between a person’s lip and gum and slowly release a couple of milligrams of nicotine, the addictive substance found in most tobacco products. To read the full story.