Foods high in omega-3 fatty acids, buen, and certain Fat burn community may commuinty promote fat loss. But I didn't work out back then so I know I wasn't actually in my personal fat burn zone. Get Fat Loss Program.

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Since you have limited stores of carbohydrates, once they are used up you start to lose energy and it becomes difficult to maintain the intensity.

You then slow down, become aerobic again and start burning more fat for fuel, which is then converted into carbohydrates for energy.

A highly trained athlete can switch over to fat burning quite soon into their workout whereas someone less fit will burn carbohydrates and then burn out sooner. Athletes are not lean because they burn fat sooner, they are lean because they train hours a day and therefore burn more calories.

In a study published in the International Journal of Obesity , the authors concluded that high-intensity interval training HIIT is more effective for weight loss and fat reduction compared to moderate-intensity continuous training MICT when matched for energy expenditure 2.

The main reason behind this is the greater number of calories burned during HIIT workouts, as well as the increased post-exercise calorie burn due to the "afterburn effect" or excess post-exercise oxygen consumption EPOC.

Bottom Line: If you only have 25 minutes, you will burn more calories doing a fast run or HIIT workout than you will doing a moderate pace walk for the same amount of time. Even though you burned more carbs for fuel, the carbs will be replaced over time through diet and the breakdown of your body fat.

So in the end fat is broken down. Therefore, regardless of the fuel source used during exercise, what matters most is the calorie deficit achieved that will result in fat loss.

If you aren't fit enough to push yourself to work at a high intensity, or you have a physical weakness that prevents you from doing so, you can still burn a lot of calories by doing low-intensity workouts for a longer period of time.

Maunder, E. Intensity-dependent alterations in fat and carbohydrate metabolism during minutes of moderate-intensity exercise: a cross-over study. Journal of Sports Science and Medicine, 20 2 , Viana, R.

Is interval training the magic bullet for fat loss? A systematic review and meta-analysis comparing moderate-intensity continuous training with high-intensity interval training HIIT.

International Journal of Obesity, 46 1 , Fresh St. Debunking the myths about the fat burning zone and weight loss. The thing is, studies have shown the development of mitochondria requires at least one preferably two or three run s of at least 90 minutes per week; no mention of pace or "heart rate zone" need apply, just the duration.

Said another way, a 90 minute run in the "Peak Zone" supposedly impossible based on the common usage of the whole zone theory, but easily possible for many is just as good as a 90 minute run in the "Cardio Zone".

If you have a link to any compelling science which supports the whole zone theory, I'd love to see it. I suppose it depends on who you talk to. I've yet to meet anone who swears by the age rule. Even if you look up the history of the formula, it states that it was created as a baseline not as a final answer for everyone.

If it is portrayed as "gospel" then I see that as a problem with the people who use it rather than with the formula itself.

As I said, it's something to get you started. It's a base estimation until you learn how your body handles cardio. I'll have to see what I can find and get back to you.

In the mean time, I'd love to see which studies you're referring to. Sometimes I hit peak for a few minutes even when not working out. I tend to have a faster heartbeat during the day but my resting is I hope that helps.

I'm almost always in the fat burn zone even when I'm breathing very hard. I don't get it either. I'm in the "Exercise Zone" for hours per day, but I'm I haven't been exercising. I was researching on whether that was normal.

My reating heart rate is on average and I'm 5'5, lbs. On average I get around steps per day, sometimes more and sometimes a little less. My resting heart rate is on average and I'm 5'5, lbs. Crazy me!

I don't remember the name to whom I was responding. I was responding to someone who asked a question about how long is healthy to be in fat burn zone.

I am not in the habit of responding to these things and I probably did it incorrectly. Oh well! National Academy of Sports and Medicine is a great source of information for any exercise questions people may have. Being in an Exercise and Sports Scienve degree program we use their information quite regularly.

No you did it right. You answered the question, of the person who asked the question. The person who said they are going in fat burn zone hours a day and asked if that was healthy.

It was clear who you responded too. Fitbit needs to fix this, I'm in fat burn all the time as I have tachycardia, yes I aorealr see a cardiologist, but it's adding in like calories for exercise a day and most days I don't leave the couch, let alone the house.

This is not correct calorie counting. I have the same issue with tachycardia. Then my calories burned in a day are so high.

I really wish you could adjust the heart rate ranges to get better data. I am heading to see a cardiologist this week for tachycardia. I was diagnosed in the ER last week. It seems that my heart rate is usually high even when I am just getting dressed or sitting.

My resting heart rate is I am associating mine to stress. How do you manage it? Community Product Help Forums Other Charge Trackers Fat Burn Zone?? Options Mark Topic as New Mark Topic as Read Float this Topic for Current User Bookmark Subscribe Mute Printer Friendly Page.

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Report this post. I am wondering how long other people are in "The Fat Burn Zone" on average per day? I am in the "Fat Burn Zone" on average HOURS every day every day.

Is this normal? What are others averages?

Metabolism-boosting metabolism start Fat burn community conversation again, simply ask com,unity new question. How can i see when im comkunity fatburn Fat burn community cardio Fay im walking or running on my smartwatch or after the workout?? Apple Watch Series 6, watchOS 7. Page content loaded. Mar 24, AM in response to Lauralola. Set up Cardio Fitness Levels — Apple Support. Mar 24, AM in response to Community User.