NutraBio LEG DAY utilizes a clinically dosed formula, which includes HPLC quality amino acids and BCAAs that are naturally fermented to promote muscle recovery, fatigue, and promote lean muscle growth*. Ribose and cluster dextrin are added to help increase energy production. A performance matrix of L-Dopa and patented elevATP, NeuroFactor, and Senactiv are also included to maximize strength, performance, and focus.