The present invention provides methods for improving cognitive function, improving mood, and decreasing aggression in a normal adult subject, and in a subject having symptoms characteristic of a neurological disorder, by administration of a nutriceutical formulation of the invention to the subject. The invention additionally features methods of treating neurological disorders, depression, and aggression using nutriceutical formulations. Nutriceutical compositions and formulations for use in the methods of the invention, and kits containing nutriceutical compositions and formulations, are also provided.