Beta alanin is an amino acid that plays an important role in muscle metabolism. It helps to increase the amount of energy available for muscle contraction and can improve exercise performance. It is found naturally in foods such as beef, pork, chicken, fish, eggs, dairy products and some plant sources. Beta alanin has been studied extensively and has been found to be safe for human consumption when taken in recommended doses. It is often used by athletes and bodybuilders to increase their performance during workouts.