Evidence supporting the use of: Vitamin B6 (pyridoxal 5 phosphate)
For the health condition: Autism

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Synopsis

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

Vitamin B6 (pyridoxal 5-phosphate) has been investigated for its potential role in supporting or treating autism spectrum disorder (ASD), primarily based on early studies and anecdotal reports dating back to the 1960s and 1970s. Some initial small studies suggested that high doses of vitamin B6, often combined with magnesium, might improve certain behavioral symptoms in children with autism. These observations led to further research and occasional clinical use, especially in alternative and complementary medicine circles.

Despite these early reports, the overall scientific evidence remains weak. Most studies to date have been small, poorly controlled, or have yielded mixed results. Systematic reviews and meta-analyses of clinical trials have concluded that there is insufficient and inconsistent evidence to recommend vitamin B6 supplementation as an effective treatment for core symptoms of autism. The American Academy of Pediatrics and other expert bodies do not recommend vitamin B6 for autism due to the lack of robust evidence and concerns regarding the safety of high-dose supplementation.

In summary, while there is some scientific rationale and limited preliminary research, the quality and strength of evidence supporting the use of vitamin B6 (pyridoxal 5-phosphate) for autism is low (rated 1 out of 5), and it is not considered a validated or mainstream treatment for this condition.

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