HD Muscle - Pre HD - Black

PreHD Black is a hard-hitting, fast-acting, stimulation-driven pre-workout designed for adrenaline junkies and stimulation seekers at heart. PreHD Black is a comprehensive formulation containing optimally dosed sensory-stimulating and blood flow-enhancing compounds that deliver unmatched energy, focus and intensity for an unrivaled workout experience. PreHD Black sets a new standard in the high-stimulation pre-workout category – where you experience the highest levels of stimulation, focus and intensity, while achieving unmatched muscle pumps and vascularity. We accomplished this by utilizing scientifically dosed, patented compounds that synergize to increase nitric oxide production, increase plasma volume and promote increased muscle blood flow in the face of high stimulation.