Vitamin B12 and Autism Ranking: Insufficient/Mixed evidence


Vitamin B-12 capsulesVitamin B-12 - also known as cobalamin - is a water soluble vitamin found in most meat products and some other foodstuffs. It can be taken as a nutritional supplement, either on its own or as part of a multivitamin. The coenzyme form - Methyl-B12 - can be or injected or inhaled.

Vitamin B12 has several important functions - such as making red blood cells and keeping the nervous system healthy, releasing energy from the food we eat, and processing folic acid.

Some people believe that individuals with autism have significant metabolic abnormalities which can cause or worsen the symptoms of autism.

They also believe that some of those metabolic abnormalities can be addressed by taking supplements of vitamin B-12 or injecting or inhaling Methyl-B12.

Our Opinion

We are currently reviewing the research evidence on the use of vitamin B12 for people with autism.

If you are aware of any research, or you would like to share your personal experiences of vitamin B12 please email info@researchautism.net Thank you.


Please read our Disclaimer on Autism Interventions

Quick link:
29 Jul 2016
Last Review
01 Jul 2014
Next Review
01 Jul 2017