Start each day by making a large pitcher of “spa water”—that’s detox water filled with sliced whole lemons, oranges or grapefruits—and make a point of sipping your way through at least 8 glasses before bedtime. Citrus fruits are rich in the antioxidant D-limonene, a powerful compound found in the peel that stimulates liver enzymes to help flush toxins from the body and gives sluggish bowels a kick.
Physical activity helps burn abdominal fat. “One of the biggest benefits of exercise is that you get a lot of bang for your buck on body composition,” Stewart says. Exercise seems to work off belly fat in particular because it reduces circulating levels of insulin—which would otherwise signal the body to hang on to fat—and causes the liver to use up fatty acids, especially those nearby visceral fat deposits, he says.