So if a Smart Choices check or NuVal score helps you pick a slightly better ice cream than you otherwise would, great. But they're not really essential. To eat what most nutritionists would agree is a healthful diet, a quick rule of thumb is to avoid the center aisles at the grocery store as much as possible and consume mostly foods in their least processed state, focusing on fruit, vegetables, whole grains, legumes, and fish. "We shouldn't expect the sky from any of these systems," says Jacobson.
[See more about diets that promote healthand always have.]