Dr. Oz reveals the best weight-loss tips for every body type! Learn how to lose weight without feeling deprived. From the power of smell to the best slim-down breakfast, these tips are guaranteed to work.

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View Part 3 of Dr. Oz's No-Diet Weight-Loss Tricks.

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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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