Omega-3 Fatty Acids in Autism Spectrum Disorders

Inclusion Criteria: * Between ages 5 and 18 years old * Diagnosed to have Autism, Asperger Syndrome, or PDDNOS by the DSM-IV criteria; met the Autism or Spectrum classification for Autism Diagnostic Interview - Revised (ADI-R) and Autism Diagnostic Observation Schedule (ADOS) * Written parental consent for participation * Those not on current standard-of-care treatments for ASD Exclusion Criteria: * Below 5 and above 18 years old * No formal diagnosis of Autism, Asperger Syndrome or PDD-NOS * Without written parental consent for participation * Those with brain pathology such as serious head injury, epilepsy, etc. * Those on current standard-of-care treatment for ASD * Those with psychotic symptoms, self-injurious behaviours and/or suicidal tendency, and other history of clinically significant medical conditions screened by the attending doctor to have increase the risk associated with study participation * Those on other types of medication or supplements or with change in dose