Autism is a disorder that appears early in life and can affect the social interaction, language and behavior of an individual. Approximately three to six out of every 1,000 children in the United States have autism, according to the Mayo Clinic. While there is no cure for autism, dietary changes can significantly improve the symptoms of autism.
Eliminating Gluten
Some researchers believe that peptides from gluten, found in many grains and cereals, may play a role in autism, according to the Maine Department of Health and Human Services. However, a 2006 study published in the Journal of Autism and Developmental Disorders, found that eliminating gluten resulted in no significant differences in behavior or other symptoms of autism. A second study published in the journal, Focus on Autism and Other Developmental Disabilities, found that eliminating gluten does in fact improve symptoms of autism. However, this study has been criticized by some, including a research committee with the Maine Department of Health and Human Services, as having methodological flaws.
Vitamin B6
For over three decades, claims have been made that vitamin B6 improves the symptoms of individuals with autism. Numerous studies have examined the link between B6 and autism. For example, a 2002 study led by Shigehisa Kuriyama found that a group of autistic individuals given 100 mg of vitamin B6 once a day for two weeks experienced improved language ability as compared to their counterparts who were given a placebo. Other studies have, however, concluded that vitamin B6 does not improve symptoms of autism, and as of 2009, most researchers agree that there is not sufficient evidence to conclude that B6 improves symptoms of autism. Foods that are rich in vitamin B6 include cereal grains, carrots, spinach, peas, potatoes, milk, cheese, eggs, fish, liver and flour.
Vitamin C
Many researchers believe that vitamin C can regulate dopamine and thus inhibit many of the problematic behaviors associated with autism, including repetitive movements. A 1993 study published in the journal, Progress in Neuro-Psychopharmacology & Biological Psychiatry, found that Vitamin C caused a significant reduction in sensorimotor symptoms in autistic individuals. While preliminary evidence suggests that a diet rich in vitamin C can improve some symptoms associated with autism, research is still relatively scarce.
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