Labrada Nutrition s Beta Alanine Endurance increases muscular endurance & performance big time Beta Alanine Endurance is 100 pure betaalanine. Beta Alanine Endurance combines with histidine another amino acid in the muscle tissue to increase muscle carnosine stores. Carnosine delays muscle fatigue through its buffering action on acid buildup in muscles. This increases your endurance & ability to work out longer. Labrada Nutrition s Beta Alanine Endurance also features Increase m