01/14/2013 10:27 am ET Updated Dec 06, 2017

The Surprising Thing You Should Eat Before And After A Workout, From Jackie Warner (VIDEO)

Celebrity fitness trainer Jackie Warner answered a question that many of us wonder regularly when she joined me on Mondays With Marlo -- what are you supposed to eat before and after exercise? Jackie told me that carbs are key before and after your workout because muscles run on sugar. She also stressed the importance of having a balanced protein-to-carb-to-fat ratio in the meal you eat after exercise.

For more advice to get into top shape, see Jackie's expert fitness tips:

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