Obsessive-compulsive disorder can be profoundly disabling, trapping people in relentless intrusive thoughts and compulsive behaviors that consume hours of every day.

A newly published case report describes full remission of severe OCD after adoption of a ketogenic diet.

It is early evidence, but given the low risk, nutritional ketosis may be a reasonable option for patients and clinicians to consider alongside standard care.

https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1555591/full