Whole New You

Diet Crutches: What Works, What Doesn't

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Filling up on fiber

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"Fiber is not absorbed well by the body, but is also very filling, which makes it a great choice for people trying to lose weight," says Natalie Digate Muth, MD, an American Council on Exercise spokesperson.

Dietitians recommend 25 to 35 grams of fiber per day (for both men and women), but most people get less than 15, says Burge. To lose weight, she suggests aiming for 30 grams of fiber per day. To add fiber to your diet, swap out white rice for barley, or add beans to soups and salads.

Don't go crazy. Too much fiber (50 to 60 grams per day) can cause side effects like flatulence and diarrhea.

Next: Packing in the protein