Written by Kathleen Friend, MD | Psychiatry Redefined Alum
Functional medicine—and its younger sibling, functional psychiatry—are at a crossroads. Once known only to a small group of practitioners, they have now entered the mainstream. New clinicians from a wide range of backgrounds are entering the field, and nearly every week I see another certificate program promising a pathway into functional medicine. These programs are often marketed to both medical and non-medical practitioners as an opportunity to escape the constraints of conventional practice and build a successful, often lucrative, career outside “the system.”
Why Clinicians Are Turning to Functional Medicine
Given today’s healthcare landscape, the appeal is understandable. Rising inflation, increasing costs of living, stagnant or declining reimbursement rates, corporate medicine, and private equity ownership have left many clinicians frustrated and searching for alternatives. Functional medicine offers a vision of more personalized care, greater professional autonomy, and the opportunity to spend meaningful time with patients. But we must never forget that the real reward comes from providing excellent clinical care. Ultimately, that is what drives both patient outcomes and professional success—and it requires the right training.
To be clear, not everyone drawn to functional medicine is motivated by financial considerations. Many practitioners are genuinely seeking better ways to help their patients and are committed to delivering high-quality care. They are an important and welcome part of this movement.
Protecting the Future of Functional Medicine and Psychiatry
Yet this is precisely why I believe we are at a crossroads. The growing tendency to take shortcuts into functional medicine—or functional psychiatry—without adequate clinical experience, supervision, or specialty training threatens to undermine the credibility of the field itself. Over the past two decades, functional medicine has evolved into an increasingly evidence-based approach to patient care. In many respects, it is no longer “alternative” medicine at all. It is simply good medicine.
What concerns me is the assumption that a certificate program alone is sufficient preparation for practicing in such a complex and rapidly evolving field. Functional medicine requires far more than learning a collection of laboratory tests, supplements, or treatment protocols. It demands sophisticated clinical reasoning, a deep understanding of physiology and pathophysiology, and the ability to integrate conventional and functional approaches safely and effectively.
This is particularly true in psychiatry. Psychiatry is a specialty that requires years of dedicated training and clinical experience. The application of functional medicine principles to psychiatric disorders adds another layer of complexity that is often not adequately addressed in general functional medicine programs. Functional psychiatry requires not only knowledge of nutrition, metabolism, genetics, and environmental factors, but also expertise in diagnosis, psychopharmacology, psychotherapy, risk assessment, and the nuanced understanding of human behavior and suffering that comes from years of clinical practice.
Functional Medicine Demands Advanced Clinical Expertise
I cannot overstate the importance of rigorous training, mentorship, and supervision in this field. If functional medicine and functional psychiatry are to continue gaining credibility and acceptance, we must maintain high standards and resist the temptation to equate brief certification with true expertise. In my own career, I have come to appreciate that specialized training in functional psychiatry is every bit as important as specialized training in conventional psychiatry. Programs that provide a structured curriculum, experienced mentorship, and practical clinical guidance are essential if we are to prepare the next generation of practitioners.
Fortunately, high-quality training opportunities do exist. One of the most influential experiences in my own professional development has been participation in the Psychiatry Redefined Fellowship under the leadership of Dr. James Greenblatt and an exceptionally diverse and experienced faculty. Before describing that experience, it may be helpful to explain how I arrived there.
A Journey Through the Evolution of Functional Medicine
Fifteen years ago, I entered the world of functional medicine. It was a small and emerging field, and we were all finding our way. Most of my colleagues came from primary care backgrounds—internal medicine, family medicine, and, occasionally, a psychiatrist. As one of those rare psychiatrists, I often felt like a needle in a haystack.
Patients were eager to join this new journey. Many had grown weary of the symptom-based psychopharmacology “guessing game” and were looking for deeper answers. They wanted clinicians who would ask why, not simply what medication might suppress a symptom.
Fast forward to today, and the field has exploded. Training opportunities are far more abundant, and it is exciting to witness the growing interest in functional medicine and functional psychiatry. Yet, as I mentioned earlier, with growth comes responsibility. We must be good stewards of this field if we hope to preserve its credibility and continue earning the trust of our patients and colleagues.
After relocating to a new state, I returned to more traditional practice settings and did my best to incorporate elements of functional medicine into my work. Over time, however, it became clear that I no longer wanted to compromise the broader skill set I had developed. I decided to return to private practice, where I could more fully integrate the principles and approaches that had become central to my clinical philosophy.
That transition coincided with an invitation to join the Psychiatry Redefined Fellowship. At the outset, I am not sure I fully appreciated just how specialized functional psychiatry had become. It did not take long, however, for me to recognize the value of focused training designed specifically for psychiatrists.
Over the past year, the fellowship has provided far more than additional knowledge. It has given me a practical and coherent roadmap for approaching the major psychiatric conditions I encounter in practice. Equally important, I have benefited from regular mentorship and clinical guidance from Dr. Greenblatt, whose more than three decades of experience integrating nutritional and functional medicine into psychiatric care have been invaluable.
Since joining the Psychiatry Redefined Fellowship, my clinical approach has become clearer, more organized, and more confident. I have also developed a stronger ability to serve patients whose mental health needs are often overlooked within the increasingly crowded functional medicine landscape.
To say that this experience has been transformative—even for a seasoned clinician with decades of practice behind me—would be an understatement. If it has had that impact on me, I can only imagine how valuable it would be for clinicians who are earlier in their careers. Functional psychiatry is too complex to navigate alone. A solid framework, experienced mentorship, and ongoing supervision are essential. I found those qualities in the Psychiatry Redefined Fellowship, and I believe others will as well.
More importantly, it reinforced my belief that functional psychiatry is too complex to be learned through isolated protocols or brief certification programs. It requires a solid framework, experienced mentorship, ongoing supervision, and a community of colleagues committed to clinical excellence.
Functional Medicine and Psychiatry are not alternatives to good medicine; it is an expansion of good medicine. But like any powerful clinical framework, its value depends not only on the tools we use, but on the depth of training, judgment, and experience we bring to them. As functional psychiatry continues to grow, these elements will be essential if we hope to fulfill its promise and maintain the trust of the patients we serve.
