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Eating and exercise: 5 tips to maximize your workouts

2. Watch the portion size

Be careful not to overdo it when it comes to how much you eat before exercise. General guidelines suggest:

  • Large meals. Eat these at least 3 to 4 hours before exercising.
  • Small meals or snacks. Eat these about 1 to 3 hours before exercising.

Eating too much before you exercise can leave you feeling slow-moving. Eating too little might not give you the energy you need to keep feeling strong during your workout.