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Question
Posted by: Crystal | 2008/09/04

Eating before or after exersize

Hi there Diet Doc.

I am querying for myself and some friends.
Is it true:
1) Not to gym on an empty stomach
2) You burn off anything you eat within 1-2 hours of working out.

Your advice would be greatly appreciated.

thanks

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Our expert says:
Expert ImageDietDoc

Dear Crystal
To answer your questions: 1) It is not good to exercise on an empty stomach because you need some food, esp carbohydrates, to fuel your exercise session. If you are hungry your blood sugar levels will be low and you will not be able to exercise to full capacity. It is, therefore, a good idea to have a light meal about 1 hour before exercising. During exercise it is also beneficial to use a sports drink (Energade, Powerade, EnerG, etc) to ensure hydration, intake of electrolytes and additional energy. If you do a very strenuous workout you also need to eat some carbs after the session to replenish your body's stores of glycogen in the liver and muscles.
2) One cannot really predict if you are going to burn off all the energy you have ingested at a meal within 1-2 hours of working out. This depends on many different factors: how actively you exercise and for how long, how much energy you have obtained from your food, to what extent the exercise increases your basic metabolic rate (which will in turn depend on your age, gender, body size, etc).
Hope this helps
DietDoc

The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.

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Our users say:
Posted by: Crystal | 2008/09/05

Excellent advice,
Will help lots.

Thank you for making yourself available to help people like me.



Reply to Crystal

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