Your favorite childhood snack is good for your grown-up self, too. Because peanut butter is a great source of protein and healthy fats, it can curb hunger and keep you feeling full long after you're finished eating. Having small snacks during the day that include a lean protein such as peanut butter with complex carbs (like an apple or banana) can also help keep your metabolism running smoothly.
Like peanuts, avocados contain metabolism-enhancing monounsaturated fats that have been shown to reduce hunger. In fact, a study in Nutrition Journal found that participants who ate half a fresh avocado with lunch reported a 40 percent decreased desire to eat for hours afterwards. What’s more? The trendy toast topping is also loaded with unsaturated fats, which seem to prevent the storage of belly fat, as well as satiating fiber and free-radical-killing antioxidants.
A fat-burning superfood, grapefruit contains a compound that can lower the fat-storage hormone insulin, which in turn can lead to weight loss. In fact, eating half a grapefruit before each meal could help you lose up to a pound a week—even if you don't change anything else about your diet. Because grapefruits are 90% water, which fills you up, they also act as a natural appetite suppressant.
You’ll want to add a pop of blue to your meals with this berry delicious fruit. “Research has linked eating a diet rich in fruits and non-starchy vegetables with weight loss, but I really like blueberries because they're packed with antioxidants and are available all year round in the frozen aisle,” says Rizzo. Add to yogurt, oatmeal, and salads, or use for sweetness in smoothies, sauces, and dressings.
At least half your grains should be whole grains, such as whole wheat, oats, barley, or brown rice. Whole grains retain the bran and germ and thus all (or nearly all) of the nutrients and fiber of the grain. One sure way of finding whole grains is to look for a product labeled “100% whole wheat” or “100%" of some other whole grain. You can also look for a whole grain listed as the first ingredient, though there still may be lots of refined wheat in the product. Another option is to look for the voluntary “Whole Grain Stamp” from the Whole Grains Council. Or try this tip: Look for less than a 10-to-1 ratio of “total carbohydrates” to “fiber” on the nutrition label. 
If you're trying to shed pounds, consider this the ultimate guide to what you should be putting on your plate and the foods you should always keep in your kitchen. These good-for-you foods contain powerful nutrients and antioxidants that have been shown to help your body lose weight, feel full for longer periods of time, and have more energy. As a bonus, many have added benefits, too, such as preventing various diseases or reversing the signs of aging.
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^ Sacks, Frank M.; Lichtenstein, Alice H.; Wu, Jason H.Y.; Appel, Lawrence J.; Creager, Mark A.; Kris-Etherton, Penny M.; Miller, Michael; Rimm, Eric B.; Rudel, Lawrence L.; Robinson, Jennifer G.; Stone, Neil J.; Van Horn, Linda V. (15 June 2017). "Dietary Fats and Cardiovascular Disease: A Presidential Advisory From the American Heart Association" (PDF). Circulation. 136 (3): e1–e23. doi:10.1161/CIR.0000000000000510. PMID 28620111.

Fruit and vegetables are low in calories and nutrient dense, which means they are packed with vitamins, minerals, antioxidants, and fiber. Focus on eating the recommended daily amount of at least five servings of fruit and vegetables and it will naturally fill you up and help you cut back on unhealthy foods. A serving is half a cup of raw fruit or veg or a small apple or banana, for example. Most of us need to double the amount we currently eat.

If you’re not drinking green tea with your workouts, you might be wasting your time at that barre class. A study published in The Journal of Nutrition found that after just two weeks, exercisers who sipped four to five cups of green tea each day and logged 25-minutes at the gym lost more belly fat than their non-tea-drinking counterparts. What makes the drink so powerful? It contains catechins, an antioxidant that hinders the storage of belly fat and aids rapid weight loss. And that’s not the only weight loss elixir out there: Discover more details and drop two sizes with these 4 Teas That Melt Fat Fast.


^ Wang, X; Ouyang, Y; Liu, J; Zhu, M; Zhao, G; Bao, W; Hu, FB (Jul 29, 2014). "Fruit and vegetable consumption and mortality from all causes, cardiovascular disease, and cancer: systematic review and dose-response meta-analysis of prospective cohort studies". BMJ (Clinical Research Ed.). 349: g4490. doi:10.1136/bmj.g4490. PMC 4115152. PMID 25073782.
As found in nuts, seeds, fish, avocados, and plant oils. You should consume these high-fat foods in place of other high-calorie foods; otherwise, you’ll be adding excess calories to your diet. For instance, substitute olive or canola oil for butter, and nuts for chips. Fatty fish may reduce the risk of heart disease and have other benefits, attributed at least in part to their omega-3 polyunsaturated fats.
Want to lose weight? Grab a bottle of V8! According to a study published in Nutrition Journal, tomato juice consumption can aid weight loss because it increases resting energy expenditure (REE)—the amount of energy expended by a person at rest. After eight weeks of drinking unsalted tomato juice twice daily, the 95 women in the study (who were each exhibiting some menopausal symptoms) increased their REE by an average of over 100 calories per day.
Losing weight isn't all about exercise – what you eat matters too. But nobody wants to eat diet food that makes them feel like they're going to gnaw their arm off before dinner. That's why registered dietitians say it's important to up your intake of veggies, grains, nuts, and other foods that are full of fiber, protein, and other pound-dropping nutrients. These options will help you prevent cravings and keep you full straight through your usual afternoon snack.
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