Why does eating lots of fish rich in omega-3 fatty acids (salmon, herring, and tuna) help amp up metabolism? Omega-3s balance blood sugar and reduce inflammation, helping to regulate metabolism. They may also reduce resistance to the hormone leptin, which researchers have linked to how fast fat is burned. A study in Obesity Research found rats that ingested large doses of fish oil while exercising lost weight. Take omega-3 fatty acid supplements; Hyman recommends 1,000 to 2,000 milligrams per day. Hate the fishy after-burp? Try flaxseed oil, walnuts, or eggs fortified with omega-3s. Or check out supplements (by brands such as Nordic Naturals) that have no fishy taste.
While most of us might wolf our meals down at our desks or in front of the TV, savoring your food may is better for achieving a healthier weight. Recent research shows that the faster people ate, the more they ate because the hormone that signals that you’re full, cholecystokinin (CCK), takes about 20 minutes to kick in. If you inhale your food, you might consume more than you mean to without realizing you’re full. Nutritionist Keri Gans also suggests maintaining a regular dining schedule as an important component to mindful eating habits.
Cardio improves definition and burns the fat that covers your muscles, especially belly fat. Combining regular aerobic exercise with strength training will give you the slimming effect you've been going for. After all, toning without cardio is like building a house on a weak foundation. Blast calories with these 20-minute cardio workouts from celebrity trainer Jackie Warner.
Some things, though, aren’t that simple. For instance, someone with a higher metabolism burns more calories at rest than someone with a lower metabolism, and can therefore get away with eating more food—even junk food. But a high metabolism isn’t a privilege reserved for a select few lucky enough to be born with it. You can raise yours and reap the benefits, too.
This vitamin is essential for preserving metabolism-revving muscle tissue. Unfortunately, researchers estimate that a measly four percent of Americans over age 50 take in enough vitamin D through their diet. Get 90 percent of your recommended daily value (400 IU) in a 3.5-ounce serving of salmon. Other good sources: tuna, shrimp, tofu, fortified milk and cereal, and eggs.
Refined carbs, such as bagels, white bread, and potatoes, create a surge in insulin that in turn promotes storage of fat and may drive down your metabolic rate, says Louis Aronne, M.D., an obesity specialist at New York Presbyterian Weill Cornell Medical Center, who recommends high-fiber carbs instead. "It's important to keep carbohydrates in your overall diet, but focus on vegetables, fruits, and whole grains, which have less of an impact on insulin levels," he explains.
To get why, you have to understand a bit of the science behind metabolism. Your metabolic rate is essentially the speed at which your body expends energy, and it depends on many different factors. Your age, weight, health history, organ function, oxygen capacity, and even your height can all influence how many calories you burn during exercise, but also (and more importantly) during sedentary times of day.

If you really want to speed up your metabolism, start with changes to your daily activity. You'll see the greatest benefit if you can move more throughout the day. Then make diet-friendly food choices that help you to feel more energized. And lastly, skip the metabolism-boosting pills and potions (unless your doctor prescribes it). Most of them don't work and some even cause harm.


Research has found that people burn fewer calories when they sleep during the day and log their waking hours after the sun’s gone down. To come to this finding, researchers at the University of Colorado at Boulder studied 14 healthy adults for six days. For two days, study participants slept at night and stayed awake during the day, then they reversed their routines to mimic the schedules of night owls. When participants slept during the day, researchers found that they burned 52 to 59 fewer calories than they did while catching their Zzzs in the evening—likely because the schedule messed with their circadian rhythm, the body’s internal clock that plays a major role in metabolism function. If you have no choice but to sleep during the day, aim to cut 50-60 calories from your daily diet.


You’ve heard they're bad for you. But trans fats also slow down your body's ability to burn fat. "They have an altered shape and make your biochemistry run funny," Hyman says, explaining that trans fat binds to fat and liver cells and slows metabolism. Eating trans fat can also lead to insulin resistance and inflammation, both of which cripple metabolism and can cause weight gain.
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.
Playing up your favorite body parts can boost your confidence and draw attention away from spots you want to minimize. Sculpting your shoulders, arms, chest, and back, for example, can help balance heavier hips so you look more proportionate. Plus, you'll be firmer all over. Celebrities do it all the time: These seven sets of sexy, toned legs are proof!
Ever wonder why your best friend can go through a pint of Ben & Jerry's without gaining a pound while just one spoonful goes straight to your hips? The answer lies in your metabolism, that little engine in your body that burns calories all day, every day. Because of genetics, some women burn fat faster than others. But age, weight, diet, and exercise habits also play a role.
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Late night snacking is clearly not recommended, but staying up late in and of itself directly affects the speed of your metabolism. In a study published in Lancet, researchers studied the effects of chronic sleep debt on metabolic and endocrine functions on 11 young men who were restricted to four hours of sleep a night for six nights. The results of the study showed sleep debt negatively impacts carbohydrate metabolism and endocrine function. Researchers concluded that seven to eight hours of sleep a night for adults will help keep your metabolic rate at a healthy, steady pace.
Metabolism. It’s the set of life-sustaining chemical transformations within the cells of living organisms. It’s such a big concept that it’s understandable to feel as if it’s beyond your control. But that’s not true! If you’re wondering how to increase metabolism, we’ve rounded up the 55 best quick and easy ways to rev your fat-burning furnace to help you reach your weight loss goals that much faster.
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.
To get why, you have to understand a bit of the science behind metabolism. Your metabolic rate is essentially the speed at which your body expends energy, and it depends on many different factors. Your age, weight, health history, organ function, oxygen capacity, and even your height can all influence how many calories you burn during exercise, but also (and more importantly) during sedentary times of day.
Your body needs water to process calories. If you are even mildly dehydrated, your metabolism may slow down. In one study, adults who drank eight or more glasses of water a day burned more calories than those who drank four. To stay hydrated, drink a glass of water or other unsweetened beverage before every meal and snack. Also, snack on fresh fruits and vegetables, which naturally contain water, rather than pretzels or chips.
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Clocking in at caffeine counts higher than a cup of coffee, kola nut teas are sure to zap any morning drowsiness—and set your metabolism up for a hotter burn. In a study published in the journal Food Science and Biotechnology, researchers found that caffeine revs the sympathetic nervous system and increases lipolysis. Look for teas made from this caffeine-containing fruit; if you want to skip the label reading, just grab a box of Celestial Seasonings Fast Lane, which clocks in at 110 milligrams of caffeine.


When it comes to the best workouts for weight loss, neither weights nor cardio can completely move the needle on their own. Interval training is the best way to shed pounds, increase your metabolism, improve your cholesterol profile, and improve insulin sensitivity. At the gym, sign up for a HIIT class, or turn your favorite aerobic exercise, (running, biking, even walking) into an interval workout by adding periods of intense speed (start with 30 to 60 seconds) followed by periods of rest (normal speed) for the same amount of time. Do this six to 10 times to complete a fat-slashing workout. As you get better, slowly increase the amount of time of increased intensity.
Even when you’re at rest, your body is constantly burning calories. In fact, 75 percent of the calories that you burn each day are being used up just keeping you alive. “Resting metabolic rate” is much higher in people with more muscle, because every pound of muscle uses about 6 calories a day just to sustain itself. If you can pack on just five pounds of muscle and sustain it, you’ll burn the caloric equivalent of three pounds of fat over the course of a year.

Iron deficiency affects more than 1 in 5 women in the U.S. Being deficient in essential minerals can show up in all kinds of ways, such as fatigue and anemia, but an iron deficiency can also be a blow for getting into your skinny jeans with relative ease. See, your body can’t work as efficiently to burn calories when it doesn’t have what it needs to work properly. A cup of lentils, it turns out, provides over a third of your daily iron needs. Legumes like lentils also have been shown to drive down bad cholesterol and blood pressure.
Cardio is still important, too. "Respiratory function is another big part of metabolism, and to increase that you need to be regularly getting your heart rate up," says Sasso. She recommends extended periods of walking, jogging, or some other form of moderate to intense aerobic activity, as well as body-weight circuit training with no rest between sets. Gibbons points out that cardio workouts generally burn more calories during exercise than strength-training—also important if your overall goal is weight loss or weight maintenance.
The next time you run, swim, or even walk, ramp up the intensity for 30-second intervals, returning to your normal speed afterward. Using this strategy will help you consume more oxygen and make your cell powerhouses, the mitochondria, work harder to burn energy, explains Mark Hyman, MD, an integrative and functional medicine specialist in private practice in Lenox, Massachusetts, and author of Ultrametabolism: The Simple Plan for Automatic Weight Loss. "You increase the number of mitochondria and how efficiently they burn throughout the day," he explains.This way, you can exercise for less time than it takes to plod along at the same pace and still get great results.
Our bodies need dietary fat—particularly healthy oils—in order to lose weight and function properly. The right kinds of fats and oils help quash hunger, maximize your metabolism, and speed nutrients through your body. Healthy monounsaturated fats like olive oil can actually help the body to burn calories. Extra virgin olive oil may also increase blood levels of serotonin, a hormone associated with satiety. Plus, olive oil is also loaded with polyphenols, antioxidants that help battle many diseases such as cancer, osteoporosis and brain deterioration.

This tea is known for its powerful thermogenic effects—meaning it turns up your body’s calorie-burning mechanism—and can also promote weight loss by improving insulin sensitivity. In a Nutrition and Metabolism study, participants were divided into two groups where one group took a placebo 60 minutes prior to exercise and the other group ingested a 1,000-milligram capsule of yerba maté. Researchers found that those who consumed the herb increased the beneficial effects their workout had on their metabolism. Yerba maté is just one of the best teas for weight loss!
Eat six small meals a day to avoid blood-sugar spikes and minimize urges to binge. Try to schedule meals at the same time each day. If you feed yourself well throughout the day, you'll learn to understand when your body truly needs food. You can't starve yourself and expect to make good choices at the next meal. Need a few healthy lunch ideas? Check out these top food swaps from a nutritionist.

Be active throughout the day: While getting in a solid workout burns calories and builds muscle, focus on moving throughout your entire day, especially if you are sedentary most of time. Choose to stand at your desk instead of sitting, pace while talking on the phone, take short walks, clean, have a mini dance party after dinner, run up and down the stairs, and add in short bursts of exercise like this one-minute bathroom workout — all of these things burn calories and start to add up!
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While going on a diet or purchasing the latest weight-loss products might seem like a quick way to shed pounds, you might not get the results you hoped for if you don't take your metabolism into account. Dieters might count fats, carbs, and calories meticulously, but in order to lose weight successfully, you have to understand your metabolism and what it does for your body.
Exercise is a gift to yourself that keeps on giving. In a phenomenon known as excess postexercise oxygen consumption (EPOC), your body can take hours to recover from a robust workout (one intense enough that you can't hold a conversation) and return to its previous resting metabolic rate. The windfall: Your body is actually burning more calories than it normally would—even after you've finished exercising. There’s a catch, though. The better shape you're in, the less benefit you'll get, because your fit body replenishes its energy stores efficiently. You can improve your burn by increasing how often or how hard you work out (think intervals), suggests Walt Thompson, PhD, professor of kinesiology and health and nutrition at Georgia State University.
A new report from the Credit Suisse Research Institute found that more and more of us are choosing whole-fat foods over skim, lite, fat-free or other modern monikers of leanness. And while many health organizations like the American Heart Association still want us to cut down on fat—particularly saturated fat—this full-fat trend may be a healthy rebellion against those decades-old credos, according to recent studies. In fact, people who eat a lot of high-fat dairy products actually have the lowest incidence of diabetes, according to a 2015 study of 26,930 people in the American Journal of Clinical Nutrition. Those who ate a lot of low-fat dairy products, on the other hand, had the highest incidence. The researchers speculated that while calcium, protein, vitamin D, and other nutrients in yogurt are indeed good for us, we need the fat that goes along with them in order to reap their protective effects.
You might want to think twice before ditching dairy if you’re trying to lose weight—despite what your Paleo-preaching CrossFit friends tell you. Cheese is a satisfying, portable, and inexpensive food that’s packed with calcium, vitamin D, and protein. “Calcium can also promote weight loss because it helps maintain muscle mass, which boosts and helps maintain metabolism, helping you burn calories more efficiently throughout the day,” says Tanya Zuckerbrot, RD, author of The Miracle Carb Diet: Make Calories & Fat Disappear—With Fiber! That doesn’t mean you can help yourself to a cheese-drenched casserole, though. Work cheese into fiber-rich snacks to make them more satiating.
Muscle burns more calories than fat. So will building more muscle not boost your metabolism? Yes, but only by a small amount. Most regular exercisers only gain a few pounds (kilograms) of muscle. That is not enough to make a big difference in the number of calories you burn. Plus, when not in active use, muscles burn very few calories. Most of the time, your brain, heart, kidneys, liver, and lungs account for most of your metabolism.
The smoothie revolution is here, and lots of people are swilling down bushels of leafy greens. Believe it or not, there’s a downside to this ingenious delivery method. A big part of the body’s job—breaking down food so that the body can absorb nutrients—has been outsourced to our Nutribullets and Vitamixes. That means that the body is expending much less energy than it would if we were eating kale, spinach, and bananas in their solid form. Smoothies are great for weight loss, but by prioritizing lean meats, fish, fibrous vegetables and fruit, you are driving up TEF (the Thermic Effect of Food, or your metabolic rate after eating) and expending more calories on digestion.
Why does eating lots of fish rich in omega-3 fatty acids (salmon, herring, and tuna) help amp up metabolism? Omega-3s balance blood sugar and reduce inflammation, helping to regulate metabolism. They may also reduce resistance to the hormone leptin, which researchers have linked to how fast fat is burned. A study in Obesity Research found rats that ingested large doses of fish oil while exercising lost weight. Take omega-3 fatty acid supplements; Hyman recommends 1,000 to 2,000 milligrams per day. Hate the fishy after-burp? Try flaxseed oil, walnuts, or eggs fortified with omega-3s. Or check out supplements (by brands such as Nordic Naturals) that have no fishy taste.

We all know sitting around too much is really bad for our health: One meta-analysis reported that prolonged sedentary time was associated with harmful health outcomes, and many other studies have shown it can (obviously!) lead to weight gain. Limiting your time in front of the TV at night and even trying to stand more while you're at work — perhaps with a standing desk — can increase your metabolism, helping you lose weight with minimal effort.
Now that you know how many calories you eat each day, it's time to increase your metabolic rate. You're not going to rev up your metabolism by eating a huge calorie-filled breakfast or snacking more often. You're also not going to fill up on metabolism-boosting foods or sip on energy drinks or special teas. You're going to keep your diet exactly the same and increase metabolism with movement. 
Probiotics in products like yogurt and fermented foods like pickles and sauerkraut help good bacteria in the gut process food more efficiently. Not only is yogurt a great source of protein and calcium, a Nature study found that eating it as part of a reduced-calorie diet can help shrink your waistline. And you can incorporate it into dishes throughout the day.
Make sure you eat breakfast. Eating a nutrient-rich morning meal (like oatmeal with almonds and berries, or a spinach-and-feta omelet with a slice of whole-grain toast) shortly after getting out of bed literally wakes up your metabolism. "Eating breakfast gets the engine going and keeps it going," Hyman explains. It's hard to argue with these results: According to the National Weight Control Registry (an ongoing study that tracks 5,000 people who lost an average of 66 pounds and kept it off more than five years), 78% of those who keep it off eat an a.m. meal every day.
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