
Essentials: Diet & Nutrition for Mental Health | Dr. Chris Palmer
In this episode of Huberman Lab Essentials, Dr. Chris Palmer explores the intimate connection between diet and mental health. He shares his personal journey: after curing his own metabolic syndrome with the Atkins diet, he noticed dramatic improvements in mood, energy, and sleep. As a psychiatrist, he began using the ketogenic diet for treatment-resistant patients, with remarkable results – including a man with schizoaffective disorder whose hallucinations and delusions vanished.
🧠 The Metabolism–Mental Health Link- Mitochondria are key: they regulate neurotransmitters (serotonin, dopamine), hormones (cortisol), inflammation, and even neurotransmitter release.
- The ketogenic diet stimulates two crucial processes:
- Mitophagy – clearing old, defective mitochondria
- Mitochondrial biogenesis – creating new, healthy mitochondria
- This explains why the diet works not only for epilepsy (known since 1921) but also for mental disorders.
- For mild mood issues or burnout, simply reducing carbohydrates (eliminating ultra-processed foods) can help.
- For serious mental illness (depression, bipolar disorder, schizophrenia), the ketogenic diet should be done under medical supervision.
- Ketone levels:
- For depression: ≥ 0.8 mmol/L
- For psychosis/bipolar: ≥ 1.5 mmol/L
- Never stop medications on your own – the diet may enhance their effects and require adjustments.
Dr. Palmer emphasizes that nutrition is a powerful yet underutilized tool in psychiatry, and large-scale randomized controlled trials are currently underway.





