To answer this question simply, it is not necessary to take Pre-Workout Supplements on an empty stomach… for in fact there's more to it than just that. If you have recently eaten a meal, it may take an additional 15-30 minutes to feel the effects of a Pre-Workout, by the time it is absorbed.
Should you eat before taking pre-workout?
Pre-Workout Food A pre-workout meal will boost energy, but it will not contain the stimulants or caffeine kick you might be looking for. Your best bet is to eat a snack or meal that includes carbohydrates and protein to fuel your gym time.17 May 2020