First Blood is a collaboration between Panda Supplements and Merica Labz, delivering 10g L-citrulline, 6.4g beta-alanine, and 460mg triple-source caffeine for maximum energy and pumps. Features 600mg Alpha-GPC, 254mg VasoDrive-AP, and 250mg pine bark extract for dialed-in focus and sustained vascularity. One of the strongest fully-transparent pre-workouts on the market. 20 servings per tub.