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Should you eat before or after exercise?

[Posted: 9 Feb 2018]

Pre vs. Post-Prandial Exercise and Glucose Control

The big debate… Should you eat before you exercise or is exercising in a fasted state more beneficial?

 The answer… Both!

Depending on what your goal is, this will alter whether you should exercise in a postprandial state.


For those wanting to focus on weight loss and burning through fat when they exercise, a fasted state may be encouraged.  However, if you are diabetic or at risk of diabetes, exercising in a fasted state may not be the best idea.


There are a couple of reasons for this.

Firstly, exercise encourages the body to deplete glucose storages. Now this might seem like a beneficial idea, however, if your glucose levels are already low and exercise brings them down lower, there is a high chance you’ll experience a hypoglycaemic state.

Secondly, for less variance with glucose levels research has suggested that exercising post-meal will decrease the severity of the spike that is seen in individuals with impaired glucose tolerance and diabetes mellitus for up to 22 hours!


If you’re unsure of when to exercise or what types of exercise would work best for you, our friendly accredited exercise physiologists are here to help.

Contact Curtin Stadium Health and Rehab Clinic on 9266 3304 today and be on your way to a healthier you.