One o f the most frequent questions I get asked is when is the best time to eat, before or after a workout?
Training while hungry — ideally before breakfast — can help you lose more fat when training. Researchers at Kansas State University found that exercisers who fasted before a low-intensity workout oxidized 94.3 more calories from fat, on average, than groups who had a meal 30, 60 or 90 minutes before exercise.
As you sleep, your body uses stored carbs (glycogen) to run your brain’s motor, so in the morning, your body is in a carb-deprived state. This means that fat will be burned for fuel sooner during a workout.
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As the study suggests, this approach is best done before low-intensity training because high-intensity training, such as sprinting, requires more carbohydrate for performance. What’s “low” intensity? The most universal and leisurely low-intensity exercise is walking.
