“If you’ve been eating the standard American diet, you have an overgrowth of the gut bacteria that trigger cravings, and you’ll keep eating the same way,” says Robynne Chutkan, M.D., author ofGutbliss. Fermented foods like kefir are naturally prebiotic, meaning they encourage the growth of good bacteria and help your body break down food more efficiently. Not a fan of the drinkable yogurt? Sauerkraut, kimchi, and pickled veggies work the same way.











 


Salmon

Wild salmon has more brain-, heart-, joint-, and gut-healthy omega-3 fatty acids than any other food, plus it’s low-glycemic, meaning it prevents insulin spikes and fat storage around the middle. “The key to staying lean is the balance of omega-3 and omega-6 fatty acids,” says William Sears, M.D., author of The Omega-3 Effect. “And the fats in salmon are satisfying, making it difficult to overeat.”
Walnuts

“Eating omega-3 fatty acids, which walnuts are full of, activates fat-burning by changing your insulin resistance,” says Mark Hyman, M.D., author of The Blood Sugar Solution 10-Day Detox Diet. “They’re also an important part of a low-glycemic diet, which studies show burn 300 calories more per day than a high-glycemic one.”


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