Beta-alanine is a non-essential amino acid. In the body it is converted to other chemicals that can affect muscle. It is used for improving athletic performance and exercise capacity, building lean muscle mass, and improving physical functioning in the elderly.
The effects of creatine and creatine plus beta-alanine on strength, power, body composition, and endocrine changes were examined during a 10-wk resistance training program in collegiate football players. Creatine plus beta-alanine supplementation appeared to have the greatest effect on lean tissue accruement and body fat composition.