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Hard work out, still substracting calories? Confused cbrackett1990 — Jan 07, 2017 07:41AM PST

I'm trying to understand something and wondering if anyone else has had this issue. Just did a tough workout, go and look at the app to see how much more food I can eat (my favorite part of working out) and it is still subtracting calories. I have on negative calorie adjustment so it subtracts calories when you don't move, but I definitely should be allowed to eat more! Anyone else have this issue and found a solution? Thanks!

1 Community Answers

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Ripley MyFitnessPal Agent Jan 07, 2017 01:04PM PST

Hello cbrackett1990,

Thank you for taking the time to contact us. Linking MyFitnessPal to Fitbit brings more accuracy to your daily calorie goal and can help motivate you and keep you on track with your health and fitness goals. When you first join MyFitnessPal, we ask you for your weight, height, age, gender, and your normally daily activity level. We then use all this information to provide you with your daily goals based on the information you provided. However, since these goals are based on an “average” activity level, the goal is an estimate. The MyFitnessPal calorie goal is accurate enough to allow you to meet your weight management goals, but since we don’t track your every movement, we can’t update your goal unless you log manual exercise.

The Fitbit is designed to give you a more precise account for your personal daily activity level. When you originally choose your activity level on MyFitnessPal, you may think that you are an “active” person. MyFitnessPal will then automatically give you goals based on what an average active person may burn through the course of the day. However, if you are wearing a Fitbit, that average may change based on your actual activity level. You may not be as active as an average person, or you may be more active.

When you manually log exercise in your MyFitnessPal account, in increases your daily estimated calorie burn, and further offsets it from your Fitbit TDEE (total daily energy expenditure), causing the greater change in the calorie adjustment.

For example, if we look at your diary date from yesterday, 1/6:
By clicking on the small “i” next to the adjustment we can see that Fitbit has sent us a TDEE of 2345 calories.
We can also see that your estimated MyFitnessPal calorie burn for the day is 2253.
Thus the Fitbit calorie adjustment crediting you 98 calories (2345-2253 = 98). Fitbit estimated your calorie burn higher than MyFitnessPal and you earned calories.

And if we look at your diary date from today (as of 3:32pm):
We can see that Fitbit has sent us a current TDEE of 1468 calories. Projecting that out for the rest of the day, the Fitbit calorie burn estimate is 2262.
Because you logged a manual exercise earning you 246 calories. Add the manually entered exercise calorie burn to your estimated MyFitnessPal calorie burn, and we see (2253+246) 2499 as the total estimated calories burn.
Because your estimated calorie burn from MyFitnessPal is now higher than your estimated calorie burn from Fitbit, we now adjust in the other direction, resulting in the -237 calorie adjustment (2262-2499).

Some members prefer to log their manual exercises in Fitbit instead of in MyFitnessPal, so that that exercise is sent over as part of the Fitbit TDEE, and displays in a way that is more preferential for some users.

Hope this helps! We wish you the best of luck in meeting and maintaining all your fitness goals!


MyFitnessPal Staff

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