It aids in the expulsion of harmful ammonia from the body. When ammonia enters the circulatory system it acts as a highly toxic substance which can be harmful to the central nervous system. Recent studies have shown that this amino acid may increase resistance to fatigue and increase endurance. The amino acid structure is also very important in the functioning of RNA, DNA, as well as the production of immunoglobulin and antibody synthesis, from aspartic acid.
Good sources of Aspartic acid are:
dairy products, meat, poultry, fish,