What is it?
Beta-alanine is the building block of carnosine, a molecule that helps buffer acid in muscles, increasing physical performance in the range of 60-240 seconds. Beta-alanine can aid lean-mass gain. Carnosine appears to be an antioxidant and anti-aging compound.

What does it do?
Beta-alanine has been shown to enhance muscular endurance. Beta-alanine supplementation can also improve moderate- to high-intensity cardiovascular exercise performance, like rowing or sprinting.