Aspartic acid is a nonessential amino acid, which means
that it is manufactured from other amino acids in the liver; it does not have
to be obtained directly through the diet.
Aspartic acid is very important in the urea cycle for the
proper elimination of waste products from dietary protein. Poor control of the
urea cycle may be related to symptoms such as chronic headache, fatigue,
irritability, lack of concentration, mental confusion, and intolerances to
various foods, particularly high protein foods.
Deficiencies of a nonessential amino acid will not occur
if a well-balanced diet is consumed because the intake of proper foods will
allow the body to produce exactly the amount of amino acid required to function
Aspartic acid has been used as mineral salts such as
magnesium aspartate or potassium aspartate to help improve energy production in