Studies conducted at The Nutrition Institute at the University of Tennessee suggest that consuming dairy may help your body metabolize fat more efficiently. Other studies have shown that increased calcium intake from dairy products (though not from supplemental calcium carbonate) caused study participants to poop out more fat as opposed to it sticking around on the body.
Long-term stress can make you fat, studies have found. "When you're chronically stressed, your body is flooded with stress hormones, which stimulate fat cells deep in the abdomen to increase in size and encourage fat storage," says Peeke. "I call this toxic weight, because fat deep within your belly is more likely to increase your risk for heart disease, diabetes, and cancer." And stress hormones spark your appetite, making you likely to overeat.
Think of every bean as a little weight-loss pill. One study found that people who ate a ¾ cup of beans daily weighed 6.6 pounds less than those who didn’t—despite bean eaters consuming, on average, 199 calories more per day. The magic is in the perfect combination of protein and fiber: Studies show that those who eat the most fiber gain the least weight over time and that eating fiber can rev your fat burn by as much as 30 percent. Aim for about 25 grams of fiber a day—the amount present in about three servings each of fruits and vegetables.
Stephen Colbert’s doing great, but now it’s time to DVR him and start getting to bed earlier. A study in Finland looked at sets of identical twins and discovered that in each set of siblings, the twin who slept less had more visceral fat. If you do nothing else differently, just getting an extra half hour of shuteye will make all the difference. If you’re chronically sleep deprived, don’t be surprised if you gain a few pounds without eating a morsel of extra food. “A lack of sleep can cause several metabolic problems,” says nutritionist Seth Santoro. “It can cause you to burn fewer calories, lack appetite control and experience an increase in cortisol levels, which stores fat.” Lack of sufficient sleep—under the recommended seven to nine hours a night for most adults—also leads to impaired glucose tolerance, a.k.a. your body’s ability to utilize sugar for fuel. “We all have those less-than-adequate nights of sleep,” says nutritionist Lisa Jubilee. “But if it’s a regular thing, you’re better off lengthening your night’s sleep than working out, if fat loss or weight maintenance is your goal.”

Adding interval training — bursts of high-intensity moves — to your workout is a great metabolism booster. "Studies have shown that people who do interval training twice a week [in addition to cardio] lose twice as much weight as those who do just a regular cardio workout," says obesity specialist Aronne. You can easily incorporate interval training into your workout by inserting a 30-second sprint into your jog every five minutes or by adding a one-minute incline walk to your treadmill workout. "Since your body is working harder, it's a more intense workout -- and you therefore burn more calories," says Westcott. On other days, shake up your routine with 40 minutes of cross-training. Ideally, aim for two 20-to-40-minute interval-training sessions and two 20-to-40-minute cross-training sessions a week.
“Always be prepared for a busy or unpredictable day by keeping healthy snacks on you, at your desk, in your car,” says nutritionist Amy Shapiro. She suggests keeping almonds or other unsalted nuts, apples, bananas, chia bars, protein bars, or other fruit and nut bars close at hand. Shapiro says that if you have to skip breakfast, lunch, or even dinner during your quest to look your best, you can keep your energy levels up while making healthy choices. “You’ll have no reason to run to the vending machine for chips or stick your hand in the candy bowl,” she says.

While drinking in moderation every so often won’t do too much harm to your waistline, making it a habit can slow down your metabolic rate. Why? When your body has a cocktail to break down, it takes precedence over any food that you’ve already eaten that’s waiting to be digested. This slows down the entire metabolic process. On the occasions that you decided to indulge, stick to low-calorie drinks. Alternate your alcohol with water to slow your pace, and cut yourself off after two drinks. Avoid ordering high-cal bar food like fries and burgers. An important note: Wine in moderation can have numerous benefits, including weight loss!

Even the fittest and most health-conscious people can’t avoid aging. And while, there’s nothing wrong with adding years of experience and memories under your belt, sometimes age adds a bit more than that. Plenty of factors contribute to increased weight over time, but decreased metabolism is a main culprit. In fact, even if you continue with your regular eating and exercise plan every year, you’ll still gain two pounds per year, says Kimberly Corp, certified Pilates instructor, and co-founder of Pilates on Fifth. The good news is that you still have a lot of control over your metabolism after 50. Here are some expert tips to help rev up your engines.

Experts agree that including a weekly cheat meal into your healthy-eating plan can actually help you reach your weight loss goals. Having a strategy is key: “By planning your cheat meal, you know what you’ll be eating and can cut a few extra calories earlier in the day,” says Jim White, RD, ACSM Health Fitness Specialist and owner of Jim White Fitness & Nutrition Studios. “This also allows you to really pick a favorite food instead of wasting calories on something you didn’t enjoy.” Amy Shapiro, MS, RD, CDN, Real Nutrition NYC, gives similar advice. “Pick your poison. If you’re going out, pick your splurge. Are you going to dig into carbs like a bread basket or pasta or dessert? Or are you planning on tossing back a few cocktails?” She urges cheaters to avoid consuming all three of those common categories in one sitting. “Focus only on one,” she says, adding that by saving the others for another time you can “enjoy without going overboard.”
Noshing throughout the day is a proven strategy to help you curb hunger and eat fewer calories overall. Now, experts are promoting nibbling versus gorging as a way to keep metabolism running by holding blood sugar levels steady and preventing weight-gain-promoting insulin spikes. Enjoying six small meals a day should do the trick; keep them around 300 calories each, or divide your usual day's calories by six.
Tea, often used in many diet fads is scientifically proven to boost your metabolism while trimming your waist line. In a study published in the Journal of Medicine Investigation, researchers tested the effects of oolong tea on energy metabolism in 11 healthy Japanese females who either consumed water, oolong tea, or green tea. In comparison to water and green tea, oolong tea increased energy metabolism by 10 percent which increases the overall metabolic rate. The polyphenols — compounds found in tea — are said to be responsible for the enhancement of the females' metabolism.
You probably don't need scientists to tell you that your metabolism slows with age. The average woman gains 1 1/2 pounds a year during her adult life—enough to pack on 40-plus pounds by her 50s, if she doesn't combat the roller coaster of hormones, muscle loss, and stress that conspires to slow her fat-burning engine. Thankfully, there's a way to help rev it up again. Midlife weight gain isn't inevitable: By eating metabolism-boosting foods and following the path, you'll sleep better, have more energy, feel firmer, and notice your clothes are looser in as little as two weeks. Here's how to increase your metabolism.
The key to this metabolism diet trick is to start slowly. First, add non-exercise movement to your day. Walk more often, take the stairs instead of the elevator, carry your groceries home from the store or add a few easy exercise sessions to your routine. ​Use an activity tracker to increase your daily step count and increase your total calories burned per day.
Plus, strength workouts have an additional metabolism-boosting benefit. Because this type of anaerobic training involves breaking down and building back up of muscle tissue, the body needs to burn more calories in the 24 to 48 hours after each session—a phenomenon known as excess post-exercise oxygen consumption, EPOC, or, informally, "afterburn.” Researchers, however, are currently debating how intense that afterburn really is. 

Eating an apple each day can help prevent metabolic syndrome, a disorder associated with abdominal fat, cardiovascular disease, and diabetes. They’ll keep the doctor away and your muffin tops at bay because apples are a low-calorie, nutrient dense source of fiber, which studies have proven to be integral to reducing visceral fat. A recent study at Wake Forest Baptist Medical Center found that for every 10-gram increase in soluble fiber eaten per day, visceral fat was reduced by 3.7 percent over five years!
It's essential for carrying the oxygen your muscles need to burn fat, says Tammy Lakatos, RD, co-author of Fire Up Your Metabolism. Until menopause, women lose iron each month through menstruation. Unless you restock your stores, you run the risk of low energy and a sagging metabolism. Shellfish, lean meats, beans, fortified cereals, and spinach are excellent sources. Check out this list of foods with more iron than beef.
That doesn't mean you have to live on the high-protein Atkins diet. But you should make sure that 10 to 35 percent of your total daily calories comes from protein. So if you're on an 1,800-calorie diet, 360 to 630 of those calories should come from lean sources of protein, such as fish, chicken, low-fat cheese, yogurt and legumes. "Aim to have a serving of protein, such as nuts, a small can of tuna, or a piece of low-fat string cheese, at every meal and snack," says Hampl.

Not only is vinegar great on salad, it’s also shown to “switch on” genes that release proteins that break down fat. In a study of 175 overweight Japanese men and women published in Bioscience, Biotechnology, and Biochemistry, researchers found that participants who drank one or two tablespoons of apple cider vinegar daily for 12 weeks significantly lowered their body weight, BMI, visceral fat, and waist circumference.


It's essential for carrying the oxygen your muscles need to burn fat, says Tammy Lakatos, RD, co-author of Fire Up Your Metabolism. Until menopause, women lose iron each month through menstruation. Unless you restock your stores, you run the risk of low energy and a sagging metabolism. Shellfish, lean meats, beans, fortified cereals, and spinach are excellent sources. Check out this list of foods with more iron than beef.
Experts agree that including a weekly cheat meal into your healthy-eating plan can actually help you reach your weight loss goals. Having a strategy is key: “By planning your cheat meal, you know what you’ll be eating and can cut a few extra calories earlier in the day,” says Jim White, RD, ACSM Health Fitness Specialist and owner of Jim White Fitness & Nutrition Studios. “This also allows you to really pick a favorite food instead of wasting calories on something you didn’t enjoy.” Amy Shapiro, MS, RD, CDN, Real Nutrition NYC, gives similar advice. “Pick your poison. If you’re going out, pick your splurge. Are you going to dig into carbs like a bread basket or pasta or dessert? Or are you planning on tossing back a few cocktails?” She urges cheaters to avoid consuming all three of those common categories in one sitting. “Focus only on one,” she says, adding that by saving the others for another time you can “enjoy without going overboard.”
Your body may burn a few calories heating the cold water to your core temperature, says Madelyn Fernstrom, Ph.D., founder and director of the University of Pittsburgh Medical Center Weight Management Center. Though the extra calories you burn drinking a single glass doesn't amount to much, making it a habit can add up to pounds lost with essentially zero additional effort.

Muscle is typically more dense than fat and uses more energy as a result. The National Health Service (NHS) in the UK states that those who have a higher muscle to fat ratio tend to have a higher BMR because of the fact it requires more energy to maintain. For every pound of muscle, the body burns 50 calories to maintain a person's BMR. Exercising to build muscle will help boost your metabolism as you get your body in shape.
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