Beta Alanine is an amino acid that helps to produce carnosine. Carnosine is a molecule stored inside your muscles that is used by the body to reduce the build-up of lactic acid when you’re training hard. A range of studies have proven the benefits of using a Beta Alanine supplement for cyclists and rowers during short periods of high intensity training and competitions. The Science in Sport Beta Alanine tablets have been specially formulated with high quality Beta Alanine which when taken increases your carnosine levels and helps to reduce fatigue. Directions for Use For best results, during high intensity training or competitions, take two Beta Alanine tablets 30 minutes before your session or event begins.