Dietary SupplementSignificantly Increase Muscle Carnosine* Delay Muscle Fatigue*Prolab® Beta Alanine Extreme® fuels your body"s ability to increase muscle carnosine synthesis by 42%! What is carnosine? Carnosine is composed of beta alanine and L-histidine and your body simply cannot synthesize carnosine without beta alanine. Carnosine is found in large amounts in type II or "fast twitch" muscle fibers, which are used in explosive movements like weight training and sprinting. Carnosine helps activate enzymes responsible for generating muscle contractions. Supplementing with beta alanine has shown to significantly delay muscle fatigue to help you squeeze out the last growth stimulating reps.*Prolab Beta Alanine Extreme not only includes both CarnoSyn® beta alanine and L-histidine but is also very specifically dose calibrated in divided doses for improved tolerance with maximum retention. Beta Alanine Extreme - backed by science, formulated for results.*No Yeast, Wheat, Corn, Milk, Egg, Glutens, Artificial Color or Flavors, Added Sugar, Starch or Preservatives*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.WarningsConsult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.Keep out of reach of children.