Abstract: Compositions that may be usefully employed to alleviate symptoms resulting from deficiencies in carbohydrate enzymes, together with methods for the treatment of disorders that are characterized by such deficiencies, such as autism, are provided. The compositions preferably comprise transglucosidase isolated from A. niger.

Abstract: A composition for use in treating autism spectrum disorders. The composition preferably includes a genomeceutical type compound that increases the user's expression of DPPIV or like substances. The genomeceutical compound may include a sugar (such as a milk sugar), glucans, galactose and/or related material. The composition may also include one or more of a protease, peptidase or phytase. The inclusion of phospholipids, disaccharides, lipases and/or related substances in a composition for treating autism spectrum disorders and the function they provide is also disclosed.