Pre workouts are a waste of money, bodybuilders have being going balls to the walls for years before pre workouts came about, you can get fast action caffiene pills at walmart a box of 90 200mg cost $3.50 and this is the main ingredient in pre workouts now if you pop two of those caffeine pills put on your headphone with some hardcore music and hit the gym, if that is not enough to give you a good workout then you should take up golf.