Aspartic acid helps keep the brain alert. It also removes harmful substances from your liver and helps increase your metabolism. People who don’t have enough animal protein in their diets may also have lower levels of Aspartic Acid, since meat is a top source of this type of acid. People who have low Aspartic Acid levels may also suffer from extreme fatigue and depression.
Animal sources: eggs, cod, whitefish, tuna, smelt, anchovies, pork, turkey, beef, veal, meat, wild game, some dairy
Vegetable sources: sprouting seeds, sunflower seeds, pumpkin, oat flakes, avocado, asparagus, young sugarcane and molasses from sugar beets, brewer’s yeast, parsley