Beta-alanine is currently amongst the most popular supplements available. It is best known for its ability to decrease muscle fatigue, boost endurance, and strengthen gains while also assisting with weight loss. Beta-alanine is considered to be a naturally occurring, non-essential, beta amino acid. However, it should not be confused with regular alanine. To obtain beta-alanine in the amounts needed to improve performance, the best way is to ingest beta-alanine by taking beta-alanine supplements.