Taking vitamins that contains a complex chemical compound need to be done in the safe direction. There are too many people you can get that are stuffing their body with supplements that are putting them at real danger. This needs to stop. …

And finally we have C4 Extreme from Cellucor. Still a very "young" pre-workout but it has been very popular since its release. It gives users about 135mg of caffeine per single scoop, which can be a nice sized dose pertaining to just how t…