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Running on Empty

Myth:

Fasted exercise, or running on an empty stomach, burns more calories or "I will burn more fat"



Carbohydrate is the body’s preferred exercise fuel during moderate-high intensity exercise. When muscle glycogen stores are topped up the body is able to work at higher exercise intensities and for longer durations. Plus you will have the required micronutrients that are essential to burn the fat. Fasting and/or a poor diet does not contain the required biochemicals to fuel the muscle cells to burn the fat or operate at high intensities. So if calorie burn is what you are after, having a small carbohydrate rich snack approximately an hour before your run could have you running faster, for longer and burning more calories than if you’d skipped breakfast and headed out.



Ron Luciuk, Personal Trainer, Heavens Fitness Ltd.

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