279photo Studio/Shutterstock The surprise here? The vinegar that comes along for the ride in salad dressing also helps you feel full. Research has shown that vinegar can lessen the glycemic effect of a meal (meaning it tends not to spike your blood sugar), which has been linked to satiety that reduces food intake. Vinegar may also prevent body-fat accumulation, according to a 2009 animal study by Japanese researchers. Mice that were fed acetic acid, the main component of vinegar, for six weeks accumulated less body fat.
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studiovin/Shutterstock Throughout the years, various weight-loss researchers have recommended starting a meal with a salad to stave off hunger and ensure that you don’t overeat. But why does this work exactly? One reason is that salads are a great source of fiber: lettuce greens, carrots, tomatoes, and the like all have plenty of this macronutrient. Fiber’s effects on increasing feelings of satiety are well documented.
Whether you eat fiber and vinegar together or not, know that they are great weight-loss foods to have on hand whenever you feel the need to tame your appetite and turn on fat burning controls. If you’re not a fan of salad, there are plenty of other sources.
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Coconut Oil, PUFAs, and MUFAs
While The Digest Diet recommends keeping saturated fat intake to under 10 percent of total calories, one source sits at the top of the “should enjoy” weight-loss foods list: coconut oil.
Why? This sweet, rich oil was shown to do some pretty nifty things for abdominally obese women in a 2009 study out of Brazil, including decreasing their waist circumference, increasing beneficial HDL (high-density lipoprotein) cholesterol and improving the ratio of “bad” LDL (low-density lipoprotein) to “good” HDL cholesterol. And in populations where coconut oil is commonly eaten, high cholesterol levels and heart disease are not common.
In 2006, I uncovered exciting research suggesting that monounsaturated fatty acids, or MUFAs, helped people store less belly fat. Eating a diet rich in olives, olive oil, nuts and seeds, dark chocolate, and avocado has kept my belly lean and my energy up for years! These healthy fats are a mainstay of my diet.
During my dive into the current research, I came across a small study from the Netherlands that suggests we should also enjoy polyunsaturated fatty acids, or PUFAs, found in fish and in many nuts and seeds. In this study, consumption of a high ratio of PUFAs to saturated fats led to a higher resting metabolism, as well as a greater diet-induced calorie burn.
But one clarification: Our focus will be primarily on long-chain n-3 PUFAs, commonly known as omega-3s. Researchers theorize that the weight-loss benefits of omega-3s may be a result of their anti-inflammatory effects (inflammation in the body has been strongly linked to obesity). I also love the fact that these healthy fats are associated with protection from cardiovascular disease and enhanced mood.
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