High Stimulant Pre-Workouts

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    We list a pre-workout as high stim when it has 300mg or more of stimulants per serving, about the caffeine in 4 cups of coffee. These are for experienced users who already know how they handle caffeine, so read the label and start with a smaller scoop on any new formula.

    Picks include AfterDark VOID, Blackstone Labs Dust X, Black Magic BZRK, Super bioFREAK WTF, Bucked Up Mother Bucker and Hi-Tech Amp3D. Want less? See mild stim or low stim.