I think training in completely fasted state is ok, but not optimal; you should be cautious not go dogmatic regarding that, as at given point it might halt your

I think training in completely fasted state is ok, but not optimal; you should be cautious not go dogmatic regarding that, as at given point it might halt your progress. From my relatively modest experience (as former client of Martin Berkhan) - BCAA and/or MCT oil prior the workout might yield substantial positives.