​​The 7 Healthiest Snack Foods You Can Find at the Supermarket, According to RDs

​​The 7 Healthiest Snack Foods You Can Find at the Supermarket, According to RDs

Plus, tips on how to buy the healthiest snacks.MirageC/Getty ImagesKey TakeawaysThere are dozens of packaged snack options to choose from at the supermarket, including salty snacks and sweet ones, with a variety of different flavor profiles.When shopping for a healthy snack, look for one that's low in sodium and added sugar, has zero grams of trans fat and less than three grams of saturated fat per serving, and is free of additives, preserves, a…