Evidence supporting the use of: DHA
For the health condition: Autism

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Synopsis

Source of validity: Scientific
Rating (out of 5): 1

DHA (docosahexaenoic acid) is an omega-3 fatty acid found in fish oils and is essential for brain development and function. Its use in autism spectrum disorder (ASD) stems from the hypothesis that omega-3 fatty acids may help alleviate some behavioral symptoms associated with ASD, such as social deficits, repetitive behaviors, and communication difficulties. Several small-scale studies and clinical trials have assessed the efficacy of DHA supplementation in children with autism. However, the results have been inconsistent and generally do not demonstrate substantial benefit.

A 2011 Cochrane review (James et al., 2011) analyzed available randomized controlled trials and concluded that there is little evidence to support the use of omega-3 fatty acids, including DHA, for improvement of core symptoms of ASD. More recent meta-analyses likewise report minimal or no statistically significant improvements in autism symptoms with DHA supplementation. Some individual studies have reported slight improvements in hyperactivity or social skills, but these findings have not been replicated consistently, and most studies are limited by small sample sizes and short durations.

In summary, while there is scientific interest and some research, the current quality and quantity of evidence supporting DHA's use in autism is weak. DHA is not considered a validated or standard treatment for ASD, and professional guidelines do not currently recommend its use specifically for this condition.

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Products containing DHA

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