/b/sixpacksmackdown/posts/opus-by-magnum-preworkout-supplement-reviewThis video is a review of the pre-workout supplement Magnum Opus from Nutraceuticals Inc. Make sure to check 3:38 when I almost blow my face off! (Please visit the site to view this video) As advertised by Nutraceuticals: Ingredients in Magnum Opus men-USTelligent Community 11 Non-Production