A member asked:

Has it been looked into if an abundance of vitamin k in the blood causes autism? i know the study was of a deficiency of the vitamin. thank you.

6 doctors weighed in across 2 answers

See below: There is no vitamin deficiency or excess that is know to cause autism.

Answered 10/20/2012

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Dr. Alan Ali answered

Specializes in Psychiatry

Autism: There was a research from sweden that talked about deficiency of vitamin d (either prenatal, or from malabsorption) in children with autism.

Answered 11/22/2019

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