Does fat loss occur when exercising on an empty stomach?

The effects of exercising when fasting on fat reduction were analyzed in this meta-analysis.

The study also found that exercising while fasting might reduce exercise performance, which could outweigh any benefits.

Named In the International Journal of Sport Nutrition and Exercise Metabolism, researchers analyzed 

 The purpose of this meta-analysis was to examine the effect of pre-workout nutrition on fat oxidation. 


A higher rate of fat oxidation was shown to occur during exercise after a meal high in carbs was consumed before to the workout. 

This suggests that the capacity for fat burning during exercises might be increased if nutrients are present in the system beforehand.