fasted cardio

Curious about this matter: When drinking BCAA’s before fasted cardio, does the body utilise the amino acids or stored fat as its primary source of energy? Whilst taking in the consideration that the BCAA’s are 0 cals (negligible). Still getting the benefits of fasted cardio??

As of 3 weeks I am in keto again. I only have time to workout between 3 am and 530 am. I usually drink my pwo w/creatine then I lift or run. So my question is: Would this be considered fasted or not? I searched fasted cardio there are only 2 threads. But this is a poll. I enjoy working out on an...