NEW! ABC / Amino Acids Beta-Alanine & Citrulline Malate. A Muscle Building Muscle Sparing Endurance and Recovery Aid Dietary Supplement. No Aspartame! No Artificial Coloring. Proper supplementation before and during workouts can significantly improve performance. That's where Core ABC comes into play! Core ABC is ideal whether bulking up or slimming down and is specifically designed to improve performance by building muscle preventing catabolism (muscle loss) increasing endurance and assisting recovery. . Core Nutritionals Core ABC uses the most effective scientifically-established ratio (2:1:1) of the Branched-Chain Amino Acids (BCAAs - Leucine Isoleucine and Valine) to improve recovery and build muscle Glutamine is included to help keep the body in a muscle-building state during training and CarnoSyn brand Beta-Alanine is included to improve endurance by reducing lactic acid buildup and increasing skeletal muscle carnosine levels. Citrulline Malate also reduces lactic acid buildup and ammonia concentration at the same time increasing Nitric Oxide (NO) and ATP production.