The popular keto diet results in significant metabolic and psychiatric improvements. Treatment with antipsychotic drugs can benefit people with serious mental illnesses.

The diet plan consisted of roughly 10% of calories from carbohydrates, 30% from protein and -60% fat. The ketogenic diet can provide ketones as an alternative fuel to glucose for an energy-dysfunctioning brain, says Dr. Shabani Sethi, first author of the study from Stanford Medicine. The diet has been shown to be effective for treatment-resistant epileptic seizures.