This fat-burning magic comes from your metabolism, a word you've probably heard tossed around a lot but maybe don't quite understand. What is metabolism? Simply put, it's all the various chemical reactions that happen inside your body, 24-7, that keep you alive. It's food being turned into energy and that energy being burned off to keep your hair growing, your heart beating, your liver pumping out bile, your lungs transferring oxygen into your bloodstream and your intestines turning Amstel Light into urine (not that there's a huge leap there).
Your body needs a certain amount of essential vitamins and minerals to function properly. What happens when you don’t get enough of them? What happens when you eat too little food, or when the food you eat isn’t sufficiently nutritious? Perhaps our bodies catch on and reply by increasing hunger levels. After all – if we eat more, we increase the chances of consuming enough of whatever nutrient we are lacking.

Men and women squirrel away fat differently, according to Harris-Pincus. On average, women have six to 11 percent more body fat than men. That extra fat typically gathers lower on the body (especially before they hit menopause) around the hips and thighs, creating a pear-shape. Men, on the other hand, tend to accumulate fat around the belly (hence, the beer gut).
On high carb days protein intake should be lowered to 0.95 gram per pound of body weight. To calculate this you must multiply your body weight by 0.95. This means if you weigh 180 lbs. then on your high carb days you should eat 180 grams of protein. Don’t worry about losing any muscle mass as a result of lowering protein. The higher insulin levels from the extra carbs will be more than enough to preserve muscle.
The easiest way to cut calories? Eliminate excess dietary fat—meaning no butter, oils, or salad dressings (low-fat or fat-free dressings are OK); remove the skin from chicken; substitute egg whites for most of your whole eggs; avoid whole-milk dairy products; and ditch marbled red meats such as rib-eye for lean cuts such as flank. Keep some healthy fats in your diet, such as salmon, mixed nuts, peanut butter, and avocados.
People don’t fail with diets – people fail to maintain a diet for the long-term. And the biggest reason why is because they fall for nonsense like juice cleanses, or adding butter to coffee because apparently butter is a fucking health food now – spoiler: it’s not. Or any of the smorgasbord of weird and wacky dumbfuckery that’s rampant in the diet world. If you’re wanting to be successful with your fat loss, find a diet you enjoy and can stick to. Here are some considerations that will help you do just that.

It depends on just how many potatoes we're talking here! One medium potato has around 37 grams of carbs, so if you limit your carb count elsewhere, this is no problem. What you really have to watch out for are the toppings, like butter, cheese, sour cream, bacon, and rich sauces like gravy. Do some math to figure out how to balance the carbs from your potato and toppings with the other foods you eat.
An increase in fiber intake is also recommended for regulating bowel movements. Other methods of weight loss include use of drugs and supplements that decrease appetite, block fat absorption, or reduce stomach volume. Bariatric surgery may be indicated in cases of severe obesity. Two common bariatric surgical procedures are gastric bypass and gastric banding.[13] Both can be effective at limiting the intake of food energy by reducing the size of the stomach, but as with any surgical procedure both come with their own risks[14] that should be considered in consultation with a physician. Dietary supplements, though widely used, are not considered a healthy option for weight loss.[15] Many are available, but very few are effective in the long term.[16]

"When we’re lacking in sleep, our body’s hormones get thrown off balance which can impact our hunger levels the next day. We all have two hormones that affect our appetite: ghrelin and leptin. When we don’t get enough sleep, our ghrelin levels (the hormone that makes us feel hungry) rise, and our leptin levels (the hormone that makes us feel full) drop. This means that when we’re awake, we tend to eat more but feel less satisfied. Try going to bed a little earlier than usual to avoid this imbalance and remember to remove any distractions that might prevent you from nodding off."
Glycogen is the unused and stored form of carbohydrates in muscles. When glycogen stores begin to peak from eating plenty of carbs, the body upgrades its fat-storing ability. Conversely, as glycogen stores are depleted, fat-burning increases. One way to kick-start the fat-burning process is to go extremely low-carb on two consecutive days every couple of weeks. This ensures that you tap into your glycogen stores for fuel, which signals the body to burn more fat.
Don’t buy your tickets to Bonnaroo just yet; the kind of acid that will help you slim down is the stuff right inside your cabinet. A 12-week study published in Bioscience, Biotechnology, and Biochemistry reveals that obese study subjects who made vinegar part of their diet dropped more belly fat than a control group, and other research suggests that acidic foods, like vinegar, can increase the human carbohydrate metabolism by as much as 40 percent.

Basal (resting) metabolism: Your basal metabolic rate (BMR) accounts for 60 to 70 percent of your overall metabolism, and surprisingly, it's the number of calories you burn doing nothing at all: lying in bed staring at the ceiling or vegging on the couch watching TV. As we said earlier, it's fueled by your body's inner workings—your heart beating, your lungs breathing, even your cells dividing. 


3. Exercise Ball Crunch: This is one of the most effective ways to strengthen and flatten abs.  Studies show this exercise is 40% more effective than regular ab crunches as it targets smaller muscles for flat toned abs including the oblique’s for a small waist and the outermost muscles that your typical ab crunch may miss.  To begin, lie down on the ball positioning it under the lower back.  Place arms behind your head.  Tighten your abs as you lift your torso off the ball while keeping the ball stable.  Lower back down and repeat 15 times with 1-3 sets.
A 2015 study from Brown University found that you’re likely to have less belly fat if you have a high degree of “dispositional mindfulness” — where you’re naturally inclined to pay attention to your present thoughts and feelings. The researchers speculated that this kind of “everyday mindfulness” helps overcome the instinct to stock up on calories, which are not in short supply to use modern humans.
Cancer, a very common and sometimes fatal cause of unexplained (idiopathic) weight loss. About one-third of unintentional weight loss cases are secondary to malignancy. Cancers to suspect in patients with unexplained weight loss include gastrointestinal, prostate, hepatobiliary (hepatocellular carcinoma, pancreatic cancer), ovarian, hematologic or lung malignancies.
It’s a little counterintuitive, but consuming calories after you’ve just burned them appears to be vital to fat-burning. Your muscles need a combo of protein and carbs to replenish energy stores and build new muscle. In one study, people who downed a 270-calorie shake with 24 grams of protein and 36 grams of carbs after their workout lost about four more pounds of fat and built more lean muscle than those who didn’t refuel post-exercise. Eating protein after a workout may help with lean muscle gains and could also help to prevent overeating later in the day, says Lesli Bonci, RD, a nutritionist and owner of Active Eating Advice. Find out what fitness instructors eat post-workout.

"It’s easy to become impatient and frustrated when you’re trying to lose weight and haven’t seen the results yet. But be realistic – you won’t see the affect overnight. Your brain’s wiring plays a huge part in resisting changes in lifestyle, and it takes time to establish new habits – up to 12 weeks. Stick with it for at least eight weeks and you should notice a change."

The simple act of performing cardio is extremely catabolic, because of this MISS sessions should be kept to a moderate duration. While HIIT sessions should be 10-20 minutes, MISS sessions should be in the range of 20-35 minutes. Once sessions go beyond this duration the cumulative effect of muscle tissue breakdown starts to become a serious concern.
Some studies have shown that a protein shake consumed immediately after training can produce up to 25 times higher levels of protein synthesis when compared to a protein shake that is consumed 3 hours post workout. This shows how important it is to get this shake in right away. Since timing is so important in the post workout state it is important to choose a protein that is quickly digested.
Speaking of intervals, high-intensity interval training (otherwise known as HIIT) has been shown to be incredibly effective for weight loss. Because the workouts are so intense, you don't need to put in an hour — or even 30 minutes — at the gym. According to the American College of Sports Medicine, seven minutes is all you need to get in the best shape of your life.
It turns out that capsaicin, the compound that gives chile peppers their heat, can also fire up your metabolism. Eating about 1 tablespoon of chopped peppers (red or green) boosts your sympathetic nervous system (responsible for your fight-or-flight response), according to a study published in the Journal of Nutritional Science and Vitaminology. The result: a temporary metabolism spike of about 23 percent. Stock up on chile peppers to add to salsas, and keep a jar of red-pepper flakes on hand for topping pizzas, pastas, and stir-fries.

We both agree, and me especially, that any group that has accountability (facebook, IG, live calls) far outweighs the "workout plan" almost anyone can pick up, try to start, and quickly fall off (though some super disciplined people make it work) but as with team sports, if you have other people rooting you on, picking you up when you miss a day/workout/meal and are actually checking in to see your progress, its like your own little fitness team. The facebook groups were full of people all working to achieve the same goals and there was only positive support from complete strangers. having Amanda and Brandon as the coaches was an added bonus. I get excited for each week or workouts, how to get creative with meals and not feel as though I'm depraving us AND how can I share what I'm doing to change my lifestyle with others.
The Grey Box of Clarification: While my earlier comment about ‘sucking it up’ was slightly facetious, there is a lot of truth to it. Hunger is an inevitable part of dieting and the more you can become comfortable with it, the more successful you’re going to be with your fat loss. Also, read this. And then sign up to my email list because it’s the best thing since Deadpool. 
When attempting to lose body fat, insulin control is crucial. The total amount of insulin released by the body isn't related to just how many carbohydrates you eat but how fast those carbs are digested. Refined carbs digest quickly, raising insulin levels substantially, which is why you should avoid them. But if you do happen to eat, say, a bowl of cold cereal (typically a fast-digesting carb), you can still take measures to ensure those carbs digest more slowly. This will cause less insulin to be released and therefore have less of an impact on your ability to burn fat.
Your parents weren’t kidding about how important veggies are for a healthy body. What they probably didn’t tell you, however, was that snacking on veggies is also one of the easiest ways to shed unwanted belly fat, too. According to a study published in the Journal of the Academy of Nutrition and Dietetics, opting for non-starchy veggies, like cauliflower, broccoli, and cucumber, as snacks helped overweight kids shed 17 percent of their visceral fat while improving their insulin sensitivity over a five-year period. Think snacking on veggies will leave you hungry? The 20 Most Filling Fruits and Veggies will have your belly satisfied in no time.

Several studies suggest green tea may promote weight loss by stimulating the body to burn fat. Green tea contains catechins, a type of phytochemical that may briefly affect the metabolism. To get the most benefit, you may need to drink green tea several times a day. Try taking your tea hot, because it takes longer to drink, providing a soothing, mindful experience.
Fighting constantly with your S.O.? It’s time to address your issues head-on. "Research has shown that cortisol, the hormone that's released during stressful activity, is linked to fat storage,” says Gina Guddet, couples counselor and co-author of Love Metabolism. “And poor communication between couples is the most common type of stress that you tend to experience."
In addition to fat, you need to eat nourishing foods so you’re not hungry. When certain nutrient levels like iron, zinc, or B12 drop, your brain signals you to eat everything under the sun until you get it. (Really, look up pica. People with iron deficiency have turned to chewing on toilet paper to get it. Your brain doesn’t know that TP doesn’t have iron. It just tells you to keep eating until you run into iron.[3])
"When we’re lacking in sleep, our body’s hormones get thrown off balance which can impact our hunger levels the next day. We all have two hormones that affect our appetite: ghrelin and leptin. When we don’t get enough sleep, our ghrelin levels (the hormone that makes us feel hungry) rise, and our leptin levels (the hormone that makes us feel full) drop. This means that when we’re awake, we tend to eat more but feel less satisfied. Try going to bed a little earlier than usual to avoid this imbalance and remember to remove any distractions that might prevent you from nodding off."

This formula will help you lose weight faster, says Kristin Kirkpatrick, R.D., manager of wellness nutrition services at the Cleveland Clinic Wellness Institute. A 2016 study published in the American Journal of Clinical Nutrition suggests that increasing your protein intake while decreasing the amount of calories you consume ensures that you lose fat instead of muscle. This 35-35-30 breakdown doesn't mean you can eat any old carb or fat though, she says. Aim to get most of your healthy fat from nuts and fish, your carbs from beans and whole grains, and protein from lean sources like eggs, chicken, and fish, she says.

What about the calories? When they avoided eating between the hours of 7 p.m. to 6 a.m., participants reduced their daily calorie intake by an average of 238 calories. Which helps to explain the weight loss of almost half a pound a week. Interestingly, their intake of fat decreased significantly while protein and carbohydrate decreased at a more conservative rate. This leads one to believe that the subjects were not eating grilled chicken and broccoli late at night. No, their usual late-night snacks were much higher in fat.
Not only is fasted cardio not beneficial but it is actually detrimental to results. Fasted cardio may result in higher fat utilization but it also results in higher amino acid utilization which means more muscle tissue breakdown. As if that wasn’t enough, research has also proven that fasted cardio leads to far less total calories being expended per session. This means that there is simply less fat loss from fasted cardio when compared to cardio performed in a fed state.  So make sure you get some food in your system before you head out to perform your cardio.
I'm more toned and I can pull my skin away from my muscle (whereas before it was fat). I love that I DO workout hard, but it's not the kind of hard that I used to do, where you work out until you want to throw up, or can't sit down for 2 days because you're so sore. I couldn't do that in this stage of life so this program really works for me. I was able to jog (and I HATE running) the other day, because I had the energy and the muscle strength to support that kind of movement. The only negative thing about this program is that I have to buy a ton of new clothes!! :-)
The truth is there is no “one size fits all” solution to permanent healthy weight loss. What works for one person may not work for you, since our bodies respond differently to different foods, depending on genetics and other health factors. To find the method of weight loss that’s right for you will likely take time and require patience, commitment, and some experimentation with different foods and diets.
And no, coffee shouldn’t be the first thing you have. Give your metabolism an optimal morning boost to burn fat by drinking 12-20 oz of water with fresh lemon which is a great way to spruce up your h2o! Why this is essential is because everyone wakes up dehydrated whether you drink caffeine or alcohol. If you are dehydrated, you cannot burn fat because your body is too busy preventing the damage and protecting itself from the effects of dehydration. It is also vital to have either a snack or breakfast within 45 minutes of waking up because you don’t want to let your body go into starvation and storing mode because it will burn muscle and store fat instead to protect itself! Whether it’s having 1-2 Tbsp. of almond butter before your morning workout, or eating a veggie 2/3 egg omelet with 1/3 – 1/2 avocado + 1 cup of berries afterward, you will motivate your metabolism to burn fat all day long!
While it may not be earth-shattering, there’s evidence to back up the advice that registered dietitians have been giving for decades. For many years, R.D.s have been urging weight-loss clients to eat dinner earlier and stop snacking a few hours before bed. It seemed like a no-brainer—after all, when was the last time a late-night binge consisted of a salad and carrot sticks?—but researchers from Brigham Young University decided to put the theory to the test.
The scale is not necessarily your friend. You may want to lose fat – but the scale measures muscles, bone and internal organs as well. Gaining muscle is a good thing. Thus weight or BMI are imperfect ways to measure your progress. This is especially true if you’re just coming off a long period of semi-starvation (calorie counting), as your body may want to restore lost muscles etc. Starting weight training and gaining muscle can also hide your fat loss.
I've had years of practicing self-loathing techniques in workouts. My thought process on what I'm eating and how I'm working out have been so unhealthy, as far as the way I talk to myself and see myself. I feel my biggest transformation has been in my mind and seeing myself as beautiful and going with confidence. Romans 12:2 has been a theme to my workouts and eating. Thank you.
Fiber is a type of carbohydrate that your body can't digest, and it helps regulate the body's use of sugar as it slowly passes through your digestive system. Increasing your daily fiber intake can result in greater satisfaction after meals, less blood-sugar spiking and crashing, and subsequent reductions in the amount of calories eaten for the rest of the day. When trying to trim belly fat, aim to get at least 25 grams of fiber in your diet each day. Foods that are rich in fiber include pulses, like lentils and beans; apples and pears, with the skin; nuts and seeds; and cruciferous vegetables like broccoli and Brussels sprouts. Try this recipe for Tabbouleh with Chickpeas for a fiber-packed side dish or a one-dish dinner!
Try interval training. This type of exercise routine can help you break up your workout without actually stopping your workout session. Interval training involves you going at an easy pace for a duration of time, and then going all out. You can also adjust the duration and pauses between the cycling back and forth. This can burn more calories and potentially increase your metabolism.[16]

If you're among the 30% of Americans who sleep less than six hours a night, here's one simple way to whittle your waistline: catch more Zs. A 16-year study of almost 70,000 women found that those who slept five hours or less a night were 30% more likely to gain 30 or more pounds than those who slept 7 hours. The National Institutes of Health suggest adults sleep seven to eight hours a night.
Seattle-based registered dietitian nutritionist and Arivale Coach Ginger Hultin, MS, CSO, and Vermont-based registered dietitian nutritionist Maddie Kinzly MS, LD, told POPSUGAR that while you can't choose where on your body you gain (sorry boobs!) or lose fat, some people are more predisposed to holding weight in their belliesw. "Much of this is driven by genetics, so you can look to your parents and other relatives to better understand the body shape that you naturally have and where you may deposit fat stores," Hultin explained.
In the past six weeks, I have lost 7.2 pounds and now weigh LESS than I weighed when I got pregnant with my first child. More importantly, I have lost 7 ½ inches from my chest, stomach, and legs, and I have gained MUSCLE tone! My clothes are fitting so much better and I have much more energy and confidence. I am so thankful for the chance to learn from Amanda and Casey and the other coaches and participants in this program. I am not yet where I want to be, but I now know how to get there!!!!!!!
Usually work out for 30 minutes? Exercise for a third of that—but go hard! "An intense 10 minutes jump-starts your metabolic furnace and equals about 20 or 30 minutes at a moderate intensity," says Jordan Metzl, MD, author of Dr. Jordan Metzl’s Workout Prescription. If you can’t spare the full 10 minutes, you can sweat for even less time: According to a 2013 study from Colorado State University, exercising for just 2 ½ minutes at a high intensity (think running or biking sprints) can help you burn 200 more calories over the rest of the day.
You may be confused about exactly how hard to work during cardio. You may even think that high-intensity exercise is the only way to go. After all, you can burn more calories and, even better, you don't have to spend as much time doing it. But having some variety can help you stimulate all of your different energy systems, protect you from overuse injuries, and help you enjoy your workouts more. You can use a sample cardio workout schedule to set up a cardio program that includes a variety of different workouts at different intensities.
Belly fat is, in fact, the colloquial term for abdominal fat. According to medical experts, belly fat can be potentially dangerous. Excess of it can lead to a number of health problems including heart diseases, high blood pressure, type 2 diabetes, a decrease in the level of HDL or good cholesterol, and can even lead to strokes or sleep apnea. You need to combat this problem before it gets too late.
Some people feel better supplementing the already active T3 (sometimes prepared from pig thyroid glands), as it can give a stronger effect than the T4 hormone, but its effect is often harder to control. Swedish healthcare rarely prescribes or offers such T3 treatment, as it often lacks advantages and may pose a risk when doses are high for an extended period of time.
A study in the April 1999 issue of the Journal of the American College of Nutrition proved the calorie-burning benefits of muscle. The study put two groups of obese individuals on a very low-calorie diet. One group did only aerobic exercises four times per week while the other group did only resistance exercises three times per week. After 12 weeks, the aerobics group lost more weight than the resistance group. However, in the aerobics group almost one third of the weight lost was muscle. The resistance group lost only fat.
Chloe Madeley is a Level 2 Gym Instructor and Level 3 Personal Trainer with an Active IQ nutrition qualification. She has been an active personal trainer since 2013, helping both men and women achieve their body transformation goals in London gyms, parks and even online. She is the author of the popular health and fitness blog FitnessFondue.com and has two best-selling apps (15 Minute Fat Loss and Weights 4 Women) and is the best-selling author of The 4-Week Body Blitz and The Fat-Loss Blitz.
When a lot of insulin is released by the body consistently throughout the day, not only does it prevent fat loss, but it also encourages the body to store energy as body fat. The types of calories that spike insulin the most are those from carbohydrates in the form of simple sugar. So if you want to eat carbohydrates, stick to healthy carbohydrates from food that gets digested slowly. Along with carbohydrates, protein can also spike your insulin levels, especially those from dairy-based sources like skim milk and yogurt.
There's a reason you've been hearing so much about cutting meat out of your diet lately. It's not just great for your body, but also a quick way to shed some extra pounds. "Consider swapping a few meat-centric meals each week for ones centered around vegetarian proteins — or give a full-fledged vegetarian diet a try if that's of interest to you," Gorin says. "Research shows eating a vegetarian diet may boost and speed up weight loss, resulting in a loss of up to 10 pounds." Gorin recommends topping a salad or filling a veggie taco with vegetarian protein sources like pulses — which are beans, chickpeas, lentils, and dried peas — to give your weight loss a boost. One study found eating ¾ cup of pulses daily led to a loss of close to a pound over about six weeks, versus people not eating pulses daily.
To prep his patients for success, Dr. Seltzer tells them to plan around a large evening meal by eating a lighter breakfast and lunch—NBD since most people who eat a meal before bed tend to wake up feeling relatively full, he says. Research suggests balanced bedtime meals may also promote steady next-day blood sugar levels, which also helps with appetite regulation.
3. Doing Bicycles not only help to melt belly fat it also works on the muscles of your upper body. For this you have to lie on your back and raise your legs at 90 degree, then bend your legs to 90 degree and hold it. Keep your hands under your head and slowly raise your head and shoulder off the ground. Now with a fast movement bring your right elbow to your left knee and extend your right leg in the front. You have to switch sides fast to create the cycling effect. Use your core muscles to keep your head and shoulder above the ground throughout the exercise. Do 20 repetitions and add 10 as you become stronger.

Another month goes by and my feet start to hurt in the heel. It doesn't go away and I don't want to go to the doctor. I am pretty sure they will take blood work and I know where that leads-high cholesterol, high a1c levels, high blood pressure. And I can't hear her again, tell me that my weight is slowly killing me. The last time I went down this road with her, I did a food replacement program and lost 40 pounds and gained an eating disorder. So, I was not going to the doctor but something had to give. My body was falling apart, I was not being as active in my kids lives as I wanted to be, my intimate relationship with my husband was non existent all because of how I felt each and every day.
Also, according to recent research, people who exercise in the morning are more successful at losing weight than those who worked out at night. In the study, researchers divided 48 women into two groups—one that did aerobic exercise in the morning for six weeks, and another who worked out in the evening—and asked them to record what they ate during the period. The results found that the early bird exercisers consumed less calories throughout the day and ultimately lost more weight than the night owls.
An effective reward is something that is desirable, timely, and dependent on meeting your goal. The rewards you choose may be material (e.g., a movie or music CD, or a payment toward buying a more costly item) or an act of self-kindness (e.g., an afternoon off from work or just an hour of quiet time away from family). Frequent small rewards, earned for meeting smaller goals, are more effective than bigger rewards that require a long, difficult effort.

What can work like magic, though, is simply eating fewer calories than you're burning. It's pretty easy to do that every now and then. It's when you try to do it for weeks and months that things get a little trickier. By incorporating insight gained from research-backed fat-loss strategies, you have a better shot at losing the weight you want without compromising your fitness or health.
While it may not be earth-shattering, there’s evidence to back up the advice that registered dietitians have been giving for decades. For many years, R.D.s have been urging weight-loss clients to eat dinner earlier and stop snacking a few hours before bed. It seemed like a no-brainer—after all, when was the last time a late-night binge consisted of a salad and carrot sticks?—but researchers from Brigham Young University decided to put the theory to the test.
Want to burn more fat? Sleep more because the impact of sleep on weight loss is significant. The importance of sound sleep is the #1 non-negotiable – it is the time your body requires to heal, rest and power up for the next day. By not getting enough sleep, you are putting stress on your body and increase the hormones that make you even more tired – which leads your body to STORE fat instead of burn fat! Besides feeling excessively tired, lack of sound sleep also spurs bad carb cravings and caffeine which can become a vicious cycle that millions of people are currently stuck in. Tips: Stop all technology at least 30 minutes before bed, invest in a great bed/pillow, use blackout curtains and try doing something calm and restful before bed like reading. Sip on some sleepy time or chamomile tea 60 minutes before bed for the calming effects of the herbs.
I started this journey because I was missing something. I've worked out for years, ran half marathons and tried all kids of programs to help me lose weight and keep it off. I wanted life long, optimal health. Amanda's program has given me that missing piece. IF has been wonderful and when i started I was skeptical. Not only have i reached a weight i haven't been in 27 years, i have lost 6" overall in just 6 weeks. I've gained strength, increased my speed on my runs and have gained confidence in myself and how to fuel my body for my activity levels. Getting macros is so important and even more important that I have personal integrity in what i put in my mouth and how i take care of the only body i will ever have. So #grateful for this life style FasterWaytoFatLoss!
Do more HIIT: High intensity interval training (HIIT) is as close to a magic pill as we have (except it involves a whole lot more work than just swallowing a capsule—sorry). Not only does it surge your body to max intensity during the workout, but because you’re working so hard, your body can’t deliver enough oxygen in the moment, explains personal trainer Jeremey DuVall. Your muscles accumulate a “debt” of oxygen that then has to be repaid post-workout. This throws your body into a phase of fat burning for hours after you’re done sweating, known as post-exercise oxygen consumption, or EPOC. Plus, super intense circuits like this activate muscle-building hormones like growth hormone and IGF-1, he adds.
×