About this item VITAMIN D Provides Immune Support PACKAGING MAY VARY - New look, with the same trusted Quality. 175MG OF CAFFEINE- help fuel your mind and body to train at the highest level 3G CREATINE - help support overall performance 1.5G BETA-ALANINE - help support enhanced endurance 1.5G CITRULLINE MALATE - a precursor to nitric oxide 375MG ACETYL-L-CARNITINE HCL and 250MG N-ACETYL-L-TYROSINE