This is especially important if you haven’t eaten in the past few hours and/or are postponing a meal to exercise.
Low blood sugar can cause you to feel weak and/or lightheaded.
Carbohydrates are the main source of energy during your workout. Eating a snack can top off your levels of stored energy/carbohydrates.
How many carbohydrates should I eat in a day?
You may be able to exercise at a higher intensity and for a longer period of time after eating a pre-exercise snack.
Food contains some water and can aid in your level of hydration.
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