You may also know this root veggie as a sunchoke since they're the roots of a type of sunflower. According to a Canadian study, subjects whose diets were supplemented with a type of gut-healthy insoluble fiber called oligofructose not only lost weight but reported less hunger than those who received a placebo. Researchers discovered that the subjects who consumed the prebiotic fiber had higher levels of ghrelin—the hunger-suppressing hormone—and lower levels of blood sugar. And you guessed it: Jerusalem artichokes are one of the best sources of the fiber.
A true gem when it comes to fat burning. Taking Green tea is a safe, natural way to boost your metabolism. In it you’ll find antioxidants also known as Catechins, these activate the fat burning hormone norepiphrine and help your body achieve greater weight loss through the process of ‘Thermogenesis’. This wonder leaf will help to reduce your appetite. It’s also a nice ingredient for women as it can help your body work against the fat storing hormone Erastidiol.
Guarana: Guarana has among the highest concentrations of caffeine in any plant; it contain up to 3.5 percent to 5.8 percent caffeine by volume, while coffee only has up to 2 percent. For increased energy and enhanced mental focus, some people use between 200 to 800 milligrams of guarana a day, which seems to be generally safe. However, side effects for some can include those similar to consuming too caffeine, such as difficulty sleeping, indigestion, anxiety, changes in blood pressure, dependence and a quickened heartbeat. Guarana can also interact with medicines like some antidepressants, lithium, sedatives, other stimulants and blood thinners.
This classic lunchbox sandwich condiment is teeming with flat-belly nutrients such as cholesterol-lowering monounsaturated fats and is a great source of plant-based protein. According to a recent study presented at the annual Society for Endocrinology conference, researchers found that when protein is digested and broken down into amino acids in your body, one of those amino acids—phenylalanine—triggers hormones that help reduce appetite and ultimately leads to fat burn and weight loss. Go for brands that have an ingredient list of just two items: nuts and a little salt, or look to our guide: Best and Worst Peanut Butters.
Known as "forbidden rice" because only emperors were allowed to eat it, black rice may be the cheapest source of antioxidants around. According to the American Chemical Society, black rice has more antioxidants than a spoonful of blueberries, with more satiating fiber, more vitamin E, and less sugar. More antioxidants mean less inflammation, which means less fat storage for you.