Not everyone is on a quest to lose weight, but many probably want to “eat better.” Eating better could mean any number of things—eating more real foods and less processed ones, choosing local, and preparing even one more meal than you typically used to at home.

As you do your weekly shopping, trying to find that sweet spot of healthy and convenient can be overwhelming. And while you have the best of intentions, many packaged foods sound healthier than they actually are. Here are five common foods that often disguise themselves in the healthy category, plus a nutritional tip to help you stay on track. (One way to always stay on track? Subscribe to the new Runner’s World Box, a curated selection of great food, gear, and accessories from the editors of Runner’s World.)