What is the difference between Kill It, Kill It Reloaded, 5150 and Full As F*ck?

Kill It is an effective pre-workout with less caffeine making it ideal for those users looking for a lower stimulant experience as well as users that are using a pre-workout for the first time. Kill It Reloaded is a complete pre-workout with a higher caffeine content, making it ideal for users with more experience using a pre-workout. 5150 is a balls-to-the-wall high stim pre-workout that is designed for hardcore users seeking the ultimate stimulant experience. Full As F*ck is our mega dosed, stim-free pump formula that’s ideal for users that do not want stims as well as those users that are cycling pre-workouts and want a break from the stim-based products.