By John Ostapkovich

PHILADELPHIA (CBS) – There’s a difference between eating the right amount of calories and eating the right foods.

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If eating were just about food energy, we could survive on microwave burritos, which might actually provide little more than “naked calories.”

That’s how Mira and Jayson Calton, authors of Rich Food Poor Food: The Ultimate Grocery Purchasing System, describe a lot of what’s out there. So they’ve crafted a GPS for food shopping.

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“What we want to be looking for is the most nutrient rich, most micro-nutrient rich, safest healthiest category, whatever that category is. And you’d be surprised, people who are vegan/vegetarian today 10 years ago probably weren’t. Ten years before that they were something else and ten years from now they might be following something else, so you don’t want to pigeon hole yourself,” says Jayson.

They call this the “nutrivore” approach and say it’s an easy way to a healthier you.

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