β-Alanine (or beta-alanine) is a naturally occurring beta amino acid, which is an amino acid in which the amino group is attached to the β-carbon atoms away from the instead of the more usual α-carbon for alanine (α-alanine). The IUPAC name for β-alanine is 3-aminopropanoic acid.
Beta-alanine enhances performance by increasing exercise capacity and decreasing muscle fatigue. It also has antioxidant, immune-enhancing and anti-aging properties.
Alanine is useful in loss of function experiments with respect to phosphorylation.