Psychiatry Redefined is an educational platform dedicated to transforming how clinicians understand and treat mental health conditions—by addressing the biological root causes of symptoms. We provide the most comprehensive and trusted training in Functional, Integrative, Holistic and Nutritional Psychiatry, helping professionals bridge the gap between traditional psychiatric care and personalized, whole-body approaches that lead to lasting recovery.
Founded in 2017 and now part of HMP Global, Psychiatry Redefined has trained thousands of psychiatrists, nurse practitioners, MD’s, PA’s, psychologists, therapists, and other mental health professionals worldwide. Our accredited courses, Fellowship, and intensives combine rigorous science-backed evidence-based research with practical, clinically proven applications—empowering clinicians to deliver more precise and compassionate care.
“The future of mental healthcare depends on a shift from symptom suppression to root-cause discovery. Psychiatry Redefined equips clinicians with the science, support, and community to lead that change—redefining both how we treat mental health conditions and how we re-imagine recovery.”
~ Dr. James Greenblatt
Chief Medical Officer, Psychiatry Redefined
Psychiatry Redefined: A Community of Change
Psychiatry Redefined is led by a distinguished faculty of over 25 experts across psychiatry, nutrition, neurology, and integrative medicine, guided by Chief Medical Officer, James Greenblatt, MD, a pioneer in Functional and Integrative Psychiatry. Dr. Greenblatt’s 30-year legacy in clinical practice and research shapes our educational programs, and inspires a global community of clinicians seeking better, more holistic solutions for their patients.
Our Mission
To redefine mental healthcare by educating and empowering clinicians with the knowledge and tools of Functional and Integrative Psychiatry—so every patient has access to personalized, root-cause treatment and the hope of real recovery.
Our Approach
We unite the strengths of traditional psychiatry with the insights of functional medicine. Through expert-led training, flagship Fellowship, case-based learning, and collaborative mentorship, our programs teach clinicians to:
- Identify and correct nutritional, metabolic, hormonal, and genetic imbalances.
- Integrate laboratory testing and lifestyle interventions into patient care.
- Apply evidence-based protocols that improve outcomes across mental health conditions—from depression and ADHD to bipolar disorder, anxiety, ocd, and eating disorders to name a few.
This comprehensive, patient-centered model moves beyond symptom management to uncover what truly drives mental health conditions—and how to create lasting healing.
Our Impact
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14,000+ clinicians trained worldwide
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Over 60 courses and intensive trainings examining core mental health topics
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75+ credits across 35 accredited courses
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Two professional Fellowships in Functional & Integrative Psychiatry
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A growing global provider directory connecting patients with trained professionals
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A mission-aligned partnership with HMP Global, expanding access to clinical education and innovation
This is not “alternative care.” This is precision, personalized psychiatry.
This is simply the care we and our own loved ones deserve.
Why Functional Psychiatry?
Psychiatry is at a crossroads. Rates of mental illness continue to rise, yet outcomes remain stagnant. Too many patients are boxed into rigid diagnostic categories and offered treatments focused on suppressing symptoms rather than addressing underlying causes. Over-reliance on pharmaceuticals—without adequate attention to biology, nutrition, environment, and individuality—has left countless patients without lasting relief.
At Psychiatry Redefined, we believe it’s time for a paradigm shift. Patients deserve hope, healing, and true recovery. Clinicians deserve access to training and tools that reflect the complexity of human health. Families deserve to see their loved ones thrive, not just cope. Our mission is to educate, empower, and equip professionals with the knowledge to redefine mental healthcare—moving beyond symptom suppression to whole-person healing and holistic treatment models.
Explore more of Dr. Greenblatt’s 30 years of clinical application of nutritional lithium for mental health and brain function.
About James Greenblatt, MD
Dr. James Greenblatt, MD, is a dual board-certified psychiatrist and internationally recognized pioneer in functional and integrative psychiatry. Widely regarded as the leading expert on the clinical application of low-dose lithium for mental health, Dr. Greenblatt has spent more than 30 years advancing precision-based approaches that move beyond symptom management to address the root causes of mental illness.
“When you treat one patient, you help one patient and their family. When I train a clinician, we have the opportunity to help thousands of patients.”
This commitment to education and transformation has guided his career and shaped his global influence.
After earning his medical degree at George Washington University, Dr. Greenblatt completed his psychiatry residency there and a fellowship in Child and Adolescent Psychiatry at Johns Hopkins Medical School. He currently serves as an Assistant Clinical Professor of Psychiatry at Tufts University School of Medicine and Dartmouth College’s Geisel School of Medicine.
A prolific author, Dr. Greenblatt has written nine books, including his newest book, Finally Hopeful: The Personalized, Whole-Body Plan to Find and Fix the Root Causes of Your Depression, the bestsellers Finally Focused: The Breakthrough Natural Treatment Plan for ADHD, Answers to Anorexia (updated edition, 2021), Functional & Integrative Medicine for Antidepressant Withdrawal, and Nutritional Lithium: A Cinderella Story: The Untold Tale of a Mineral That Transforms Lives and Heals the Brain—the definitive guide to lithium’s role in psychiatry.
In 2019, he founded Psychiatry Redefined, a leading educational platform training clinicians worldwide in functional and integrative psychiatry. A sought-after international speaker, Dr. Greenblatt regularly lectures on nutritional psychiatry and the transformative role of functional medicine in mental health—and is available for expert commentary, speaking engagements, and media interviews.
Join us in our efforts to transform the field of psychiatry with compassionate, personalized patient care. With functional medicine, we are doing better.
Let’s redefine mental wellness together.
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