B vitamin polymorphisms and behavior: Evidence of associations with neurodevelopment, depression, schizophrenia, bipolar disorder and cognitive decline ScienceDirect The MTHFR gene mutation is the world's biggest translation problem. If you're born with it, your body can't understand the language of standard vitamins. Even if you ingest them, they'll pass through, Frontiers Treatments for Biomedical Abnormalities Associated with Autism Spectrum Disorder MTHFR Mutation Treatment: Effective Approaches Guide Variations in folate prescriptions for patients with the MTHFR genetic polymorphisms: A case series study ScienceDirect