To keep blood sugar levels stable, metabolism running, and weight loss on track, a snack can be one of the best tools in your arsenal.

But if you choose unhealthy snacks—they're often the kinds that come in packages—then you do the exact opposite.

That's why we've rounded up some of the most popular chips, crackers, popcorn, and snack bars that either have sketchy nutritionals or do more harm than good for your belly.

Make sure you're not munching on any of the following unhealthy snacks—and then start snacking smarter with these 40 Healthy Snack Ideas to Keep You Slim.

https://www.msn.com/en-us/health/nut...et/ss-BB16JZ3p