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Sprouted rice: Soaking and germinating brown rice increases the GABA content of the rice.[ref] Natural supplements that research shows will boost GABA: For safety: Do not stack several of these at once without medical advice

Rating of the Effectiveness of 26 Psychiatric and Seizure Medications for Autism Spectrum Disorder: Results of a National Survey Coleman DM, Adams JB, Anderson AL, Frye RE

Several companies in this guide take pains to test their products, looking at purity and dosage in particular

A registered dietician (RD) has met the necessary educational requirements and has passed a national examination