Dr. Oz investigates the popular protein-packed diet that promises big results! Find out if going Paleo is right for you and get a full day of delicious Paleo-friendly meals.

View Part 1 of The Paleo Diet Craze.


View Part 3 of The Paleo Diet Craze.

Read the Paleo Diet Playbook.

Make Nell Stephenson's Paleoista recipes.

Try these Paleo recipes from Dr. Oz viewers.

Fat Substitutes: Could They Be Leading to Your Weight Gain?

They're hiding in everything from low-fat cottage cheese to protein shakes.

Fat substitutes are compounds that resemble the chemical and physical properties of certain fats and oils and are often used to replace conventional fats (butter, oil) in baking and frying. They can help bring calorie counts down.

But fat substitutes are almost like secret ingredients that hide in plain sight, says Mark Schatzker, author of the upcoming book "The End of Craving: Recovering the Lost Wisdom of Eating Well."

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