NOW® Sports Beta-Alanine is backed by scientific research demonstrating that CarnoSyn® supplementation results in delayed muscle fatigue and rapid recovery time, thereby helping you attain your strength and endurance training goals.* Beta-alanine is a non-essential amino acid that is used by muscle cells to synthesize carnosine.* Carnosine is a dipeptide (beta-alanine plus histidine) that functions as a buffer for the hydrogen ions (acid) produced during strenuous exercise, thus helping to maintain optimum muscular pH.* NOW® Sports uses CarnoSyn®, a patented form of beta-alanine that has been clinically tested and shown to increase muscle carnosine content, allowing muscles to work harder and longer during intense exercise.* Natural Alternatives International (NAI) is the owner of patents as listed and registered trademark CarnoSyn®. Natural color variation may occur in this product.