This blog post features a few key takeaways from Dr. Megan’s Wellness Your Way podcast interview with Dr. Matt Bernstein where we break down what metabolic psychiatry is, and explore the connections between brain health, insulin resistance, ketones, nutrition, and lifestyle. Find the full episode here and be sure to subscribe to Wellness Your Way so you don’t miss future episodes!

Guest Bio: Dr. Matt Bernstein, MD

Dr. Matt Bernstein is a board-certified psychiatrist and one of the leading voices in the emerging field of metabolic psychiatry. With more than 25 years of clinical experience, he specializes in helping individuals achieve lasting recovery from serious mental illness through nutrition and metabolic therapies. He is the founder of Accord, a comprehensive metabolic psychiatry program, and has served in leadership roles at McLean Hospital and Ellenhorn. Dr. Bernstein also lectures nationally, advises several mental health organizations, and helps advance research exploring the role of metabolism in brain health

Top Insights from Dr. Matt Bernstein’s Interview

1. Mental health and metabolic health are deeply connected.
   Emerging research suggests that many psychiatric conditions may stem in part from impaired brain energy metabolism, making metabolic health an important piece of mental wellness.
2. The brain has enormous energy demands.
   Although it represents only about 2% of body weight, the brain consumes roughly 20–25% of the body’s energy, making efficient fuel delivery essential.
3. Insulin resistance can affect the brain.
   Even before insulin resistance appears elsewhere in the body, the brain may struggle to utilize glucose effectively, potentially contributing to anxiety, depression, memory issues, and other symptoms.
4. Ketones provide an alternative fuel source.
   When glucose metabolism is impaired, ketones can bypass insulin resistance and provide efficient energy to brain cells.
5. Ketogenic diets are therapeutic—not simply trendy.
   Dr. Bernstein emphasizes that medically supervised ketogenic diets have over a century of research supporting their use for neurological conditions and are increasingly being
   studied for psychiatric disorders.
6. Lifestyle interventions work together.
   Exercise, resistance training, quality sleep, stress reduction, circadian rhythm alignment, and whole-food nutrition create synergistic improvements in metabolic and brain health.
7. Not everyone needs a ketogenic diet.
   Many people experiencing brain fog, mild anxiety, or mood changes can benefit significantly from reducing processed foods, lowering carbohydrate intake, improving sleep, and exercising consistently.
8. Chronic stress has profound metabolic consequences.
   Persistent stress increases allostatic load, contributes to insulin resistance, limits cellular repair, and negatively impacts both physical and mental health.
9. Medication and nutrition should work together.
   Anyone making major dietary changes—especially therapeutic ketogenic diets—should work closely with their healthcare team since medication needs may change.
10. Metabolic psychiatry is an exciting emerging field.
    Growing research, clinical success stories, and increasing acceptance among psychiatrists suggest metabolic approaches may become an important part of future mental healthcare.

Want to hear the full episode, including practical first steps for improving metabolic health to support cognitive function and mood, and so much more?