It can also prevent you from experiencing low levels of glucose, called
hypoglycemia, which can lead
to dizziness and fainting. Drinking fluids or eating
foods that contain water before you exercise is also beneficial to avoid dehydration, which also impairs performance.
Small meals or snacks should be eaten one to two hours before exercising, so this may be your best bet for your pre-workout meal. While these guidelines are helpful, everyone's digestion is different.