Beta alanine is an amino acid that the body produces and it is known for helping the body recover after exercise. According to BetaAlanine.info, it is the only naturally occurring beta amino acid available. It is often taken as a supplement by body builders to help increase explosive muscle strength. Beta alanine can also be found in certain foods.
Chicken is a food source that many athletes and body builders eat because it is lower in fat than red meat, but still high in protein. It contains beta alanine as well as carnosine, anserine and balenine, all of which become Beta alanine in the human body during it synthesizing process.
Beef is higher in fat content than other meats, but it is also high in protein and Beta alanine. If you are eating beef to obtain Beta alanine, you should eat small amounts at a time to limit saturated fat intake.
Fish is a very healthy source of Beta alanine. Fatty fish, like salmon and tuna, are known for containing omega-3 fatty acids, which are healthy for the heart. They also contain the Beta alanine components of carnosine, anserine and balenine. As a food source for athletes, fish is an ideal option due to the healthy benefits.