Performax Labs is a US brand known for fully dosed, premium pre-workouts packed with branded ingredients.
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- Pre-workout: HyperMax'd Out (high-stim, with 8g L-citrulline, GlycerSize™ and HesperiPump®)
High-stim pre-workouts are for experienced users only. Start with half a serving to check your tolerance, and see our Super Strong (High Stim) range for more options. Fast UK delivery from Insight Supps.
