Essential amino acids are amino acids that cannot be synthesized by the body, and must be consumed through a healthy diet or supplementation. Body Attack has designed a potent blend of essential amino acids containing all nine essential amino acids, including over 5g of L-Leucine and 10g of net aminos per serving! As a dietary supplement, Essential Amino Acids may help to support increased muscle-building, strength, and a healthy metabolism. The aptly-named Essential Amino Acids are an essential addition for any strength trainers, athletes, or general health-enthusiasts!