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Up all night with a fever. Apparently I ended up in the fat burn zone! : r/ fitbit
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Fitbit tells me I was in fat burning mode...I'm new to all this and didn't do any strenuous activity. How truthful is this?? Was I really in fat burning mode? : r/fitbit
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2 Questions, why is my fat burning zone going higher and why is my RHR rising as well? -> : r/fitbit
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I am (almost) always in the fat burn zone : r/fitbit
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Heart rate labeled incorrectly as below zones post... - Fitbit Community
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