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
Huge spike in Fitbit? Fat burn zone always! | BabyCenter
Heart rate labeled incorrectly as below zones post... - Fitbit Community
Forget 10,000 steps a day! How to use Fitbit active zone minutes and why they matter - MyHealthyApple