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Research Article
Functional Vitamin B12 Deficiency in Autism
Author(s): Gregory Russell-Jones*
It has been known for over 40 years that dietary insufficiency of vitamin B12 in pregnant mothers can lead to
vitamin B12 deficiency in the children and is often accompanied by developmental delay. In a previous study we
found a deficiency of functional vitamin B2 in each members of a cohort 600 children and adults with a diagnosis
of Autism Spectrum Disorder (ASD) of various ages (18 months to 34 years). The same cohort has also been assessed
for functional vitamin B12 and each member of the cohort assessed was found to have functional vitamin B12
deficiency. The functional deficiency appeared to be related to the functional B2 deficiency that was attributed
to insufficient dietary Iodine, Selenium and/or Molybdenum. The functional B12 deficiency occurred despite
elevated serum B12 being found, and hence presents as Paradoxical vitamin B12 deficiency. As such, AS.. View more»