Well + Good I January 31, 2018
5 FIBER RULES TO FOLLOW FOR A REVVED UP METABOLISM
Fiber may not be the sexiest nutrient of the bunch—healthy fats are currently claiming that title—but there’s no doubt it’s one of the hardest working. It lowers inflammation, it promotes healthy gut microbes, it reduces the risk of heart disease… it’s basically the overachieving Miranda Hobbs of your pantry.
And according to Tanya Zuckerbrot, MS, RD—bestselling author of The F-Factor Diet—there’s another reason why it should be at the head of the class (er, your pantry). A high-fiber diet—meaning at least 35 grams per day—is really good at kicking your metabolism into high gear. Like, even more effective than the calories-in, calories-out model.
“Most diets slow down your metabolism, and that’s why people end up plateauing,” explains Zuckerbrot, naming juice cleanses and other calorie-restrictive regimens as the main culprits. Why? Your body compensates for the calorie deficit by slowing down your metabolism so it can maximize each calorie. Fiber, on the other hand, is completely indigestible, says Bonnie Taub-Dix, RDN, creator of Better Than Dieting and author of Read It Before You Eat It: Taking You from Label to Table. “Since fiber is hard for the body to break down, it takes work, thereby burning calories.” This effect is called thermogenesis.
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