David Wiss PhD

Transforming Health Through Nutrition, Empathy, and Research

A Leading Voice In Mental Health Nutrition

David continues to inspire change in our field as he challenges the limits of existing care models and substantially enhances our capacity to deliver care that is nuanced and person-centered rather than dogmatic.

Chief Medical Officer, SunCloud Heath

David is one of the most talented and innovative dietitians that I have ever known or had the pleasure of working with.

Affiliate Professor, Medical University of South Carolina

David Wiss is a committed clinician who brings a wealth of knowledge, passion, and expertise to help clients find their best path to healing and wellness through nutrition.

Carolyn Costin Institute

David’s nuanced approach to understanding and treating eating disorders and addiction helps patients understand their experiences from a unique perspective and receive treatment tailored to their individualized needs.

Assistant Research Professor, Drexel University

Dr. David Wiss is a pioneer in understanding the integral ties between the fields of mental health and nutrition.

Adjunct Assistant Professor, UCLA Fielding School of Public Health

David is not afraid to carve his own path, which is refreshing and keeps the field progressing. He utilizes his expertise in public health, mental health, psychology, and nutrition to communicate novel work that can be trusted as being thoroughly researched.

Chief Nutrition Officer, Within Health

About David Wiss PhD

Doctor of Philosophy Master of Science Registered Dietitian Nutritionist

Dr. David Wiss is an independent thinker unafraid to challenge the status quo in the nutrition field. Dr. Wiss pioneered the field of nutrition for addiction recovery and is a world-renowned expert in disordered eating. His mental health research bridges gaps between neurological, psychological, behavioral, and nutritional sciences.

Dr. David has treated over 1,000 patients in the last twelve years using a food-positive functional medicine approach through his practice, Nutrition In Recovery. Dr. Wiss has developed innovative methods for using nutrition to improve mental health without feeling like a “diet.” Dr. Wiss believes gut health is the key to brain health and wants to show you how to heal yourself and help your clients.

Services

Dr. David Wiss brings his twelve years of experience as a mental health nutritionist to patients, treatment facilities, institutions, academics, and the press.

Treatment

Treatment

Individual and family counseling, functional medicine, group facilitation

Consulting

Consulting

Professional supervision, staff training, expert opinion/quote

Speaking

Speaking

Academic conferences, podcasts, wellness workshops

Collaboration

Collaboration

Joint efforts on research, statistical analysis, manuscript writing

Research

With over 20 peer-reviewed journal publications, Dr. Wiss is dedicated to disseminating his findings and progressive perspectives at the intersection of nutrition and mental health.

JournalReview

Ultra-processed foods and mental health: Where do eating disorders fit into the puzzle?Arrow Up

Ultra-processed foods (UPFs) like pastries, packaged snacks, fast foods, and sweetened beverages have become dominant in the…

JournalResearch

A novel weight suppression score associates with distinct eating disorder symptomsArrow Up

Weight suppression has been defined as diet-induced weight loss, traditionally operationalized as the difference between one’s highest…

JournalReview

Dismantling the myth of “all foods fit” in eating disorder treatmentArrow Up

In our opinion, it is imperative that ED clinicians challenge any all-or-nothing thinking that they may have…

Podcasts

If you would like to feature Dr. Wiss on your podcast, please send a message and we will gladly discuss a collaboration with you.

I’ve witnessed Dr. David Wiss guide individuals on transformative journeys toward holistic wellness, personally observing him bridge the gap between nutrition, spirituality, and mental health with unmatched compassion and insight.

Co-Founder and Co-Medical Director, Skylight Psychedelics

Dr. Wiss isn’t afraid to keep it real and has been a solace of comfort for me in the field, trusting he will meet our patients with a level of critical thinking and discernment unique to him.

Private Practice

As a scientist and practitioner, David Wiss has a level of genius that combines rigorous research, creative applications of knowledge, a deeply caring counseling presence, authenticity, and truth-telling.

Philosopher of Consciousness

Join Dr. Wiss & colleagues for an epic mental health event on October 10th in Los Angeles

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