The use of the ketogenic diet in the treatment of psychiatric disorders.

Introduction: The ketogenic diet (KD) is a high-fat, low-carbohydrate, and moderate-protein diet that has shown benefit as a treatment in neurologic disorders and may serve as a therapeutic option in individuals with psychiatric disorders.

Methods: A search was conducted using EBSCOhost and PubMed databases for studies relating to ketogenic or low-carbohydrate diets and psychiatric disorders.

Results: A total of 32 experimental or observational studies were identified by initial search strategies, 14 of which met the criteria to be included in this analysis.