Complementary, holistic, and integrative medicine: autism spectrum disorder and gluten- and casein-free diet.

On the basis of review of the published literature,limitations in current data do not support the use ofa gluten-free and casein-free diet (gfcf-d) asa primary autism spectrum disorder (ASD) treatment.(13)(25)(26)(36) On the basis of clinical opinion, given the popularity of parents seeking a gfcf-d for their children with ASD, clinicians should acknowledge family’s concerns and provide appropriate information about a gfcf-d toguide them and prevent possible harm.