Bucked up® black - rainbow rush: pre-workout das labs presents bucked up® black, a game-changing formula set to revolutionize pre-workout. This scientifically based, non-proprietary blend with no fillers, is loaded with the most essential ingredients, including igf-1 deer antler velvet, to help enhance your workout. Citrulline - 6g to maximize blood flow (nitric oxide booster) actigin® - increase vo2 max & boost athletic performance deer antler velvet - supports accelerated recovery alphasize® - clinically shown to sharpen mental focus astragin® - clinically shown to increase citrulline absorption by up to 66. 7% beta alanine - promotes strength, endurance & muscle growth humic/fulvic minerals - promotes body detoxification, compound absorption, and stamina. Bucked up black - rainbow rush (30 servings)