Recovery With Exogenous Ketones and Antipsychotics

Inclusion Criteria: * Referred or self-referred to the PEP Clinic of the Estrie region, either as an outpatient or inpatient. * Currently receiving a second- or third-generation antipsychotic at a stable dose for at least 4 weeks. * Able to read and communicate in French or English. * Capable of understanding and signing the informed consent form. Exclusion Criteria: * Pregnancy, childbirth within the past 6 months, or breastfeeding. * any use of MCT oil, ketone salts, or a ketogenic diet within the past year. * Previous diagnosis of type I or type II diabetes. * Uncontrolled acute suicidal ideation at the time of inclusion in the PEP clinic. * Other conditions that may interfere with participation, as determined by the qualified physician. * Pancreatitis (inflammation of the pancreas) or liver failure. * Metabolic condition affecting fat metabolism or inherited carnitine deficiency and its related enzymes. * Porphyria. * Pyruvate kinase deficiency. * Neurodevelopmental disorder of unknown etiology or rare genetic disease.