Walking into a grocery store with the goal of eating healthier can feel deceptively simple, and surprisingly overwhelming.

Buying canned, bagged, frozen or shelf-stable options of foods like fish, chicken, beans, lentils, whole grains and fruits and vegetables is also smart, since they’re often much cheaper, last longer ...

Plus, where not to shop.

Frozen foods are outselling fresh in some stores as quality, convenience, and clean labels reshape how shoppers buy groceries ...