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14 Years
experience
Mental Health Nutrition Therapy in Los Angeles
At Nutrition in Recovery, we pioneer an innovative approach to mental health that recognizes the profound connection between nutrition and well-being. Founded in 2012, our evidence-based programs bridge traditional treatment gaps by integrating expertise in eating disorders, addiction recovery, and mental health. Our team of specialized registered dietitian nutritionists delivers personalized care, moving beyond rigid food rules to sustainable solutions that honor individual biology, psychology, and history.

We utilize functional lab testing to uncover hidden factors affecting mental health, creating targeted interventions that address root causes rather than symptoms. Our food-positive approach builds lasting relationships with food while addressing inflammation, gut-brain connections, and lifestyle medicine. With virtual treatment options available nationwide, we serve individuals seeking deeper healing from behavioral health challenges through nutritional psychiatry and comprehensive assessment processes.
Services
Eating Disorder Treatment Addiction Recovery Dietary Counseling Mental Health Support Lifestyle Medicine Functional Lab Testing
Details
  • Year established: 2012
Highlights and features
  • We offer 10,000+ hours of specialized nutrition counseling experience in behavioral health
  • Our team utilizes functional lab testing to create biologically-informed treatment plans
  • We specialize in treating co-occurring eating disorders and addictions simultaneously
  • Our trauma-informed approach addresses adverse life experiences' impact on eating patterns
  • We provide evidence-based nutritional psychiatry interventions for treatment-resistant depression
Associations and certifications
  • Registered Dietitian Nutritionist (RDN)
  • Institute of Functional Medicine Certified Practitioner (IFMCP)
What people say
Life-changing results Food-positive approach Trauma-informed care Personalized treatment plans Expertise in behavioral health
Services
Eating Disorder Treatment
Specialized nutrition therapy for anorexia, bulimia, and binge eating disorders. Our evidence-based approach addresses the complex intersection of addiction and disordered eating through personalized meal planning, body image healing, and trauma-informed care. We help clients move beyond restrictive patterns to develop sustainable relationships with food while addressing co-occurring mental health challenges through comprehensive assessment and targeted interventions.
Addiction Recovery
Targeted nutritional interventions for substance use disorders and behavioral addictions. We address food addiction patterns, cross-addiction risks, and neurobiological factors through gut-brain axis optimization, anti-inflammatory nutrition, and craving management strategies. Our approach integrates with traditional recovery programs to support long-term sobriety while addressing co-occurring mental health conditions through evidence-based dietary protocols and functional medicine testing.
Functional Lab Testing
Advanced diagnostic testing to identify biological factors impacting mental health. We utilize comprehensive stool analysis, organic acid testing, and nutrient status panels to create personalized nutrition and supplement protocols. This data-driven approach reveals gut health imbalances, inflammation markers, and metabolic deficiencies that inform targeted interventions for treatment-resistant depression, anxiety, and behavioral health conditions through precision nutrition strategies.
Mental Health Support
Evidence-based dietary interventions for mood disorders and emotional wellness. Our trauma-informed approach combines nutritional psychiatry with lifestyle medicine to address depression, anxiety, and stress-related conditions. We implement anti-inflammatory diets, gut-brain axis optimization, and biopsychosocial treatment models that integrate with traditional mental health care while addressing social determinants of health through personalized, sustainable nutrition strategies.
Dietary Counseling
Customized nutrition guidance for individuals seeking improved wellness. Our non-diet approach focuses on developing intuitive eating patterns, addressing disordered eating behaviors, and creating sustainable lifestyle changes. We provide comprehensive assessments of clients' mental health profiles, dieting history, and cultural considerations to develop flexible, evidence-based solutions that promote long-term well-being without rigid food rules or extreme restrictions.
People
Dr. David Wiss
Founder & Lead Nutritionist
Dr. David Wiss is a registered dietitian nutritionist and Institute of Functional Medicine Certified Practitioner with over a decade of experience in behavioral health nutrition. He holds a PhD in Public Health from UCLA and has published 20+ peer-reviewed studies on nutrition's role in addiction and mental health recovery. Dr. Wiss specializes in treating complex cases involving co-occurring eating disorders and substance use disorders through evidence-based, trauma-informed care.
Questions
What mental health conditions do you treat?
We specialize in treating eating disorders, treatment-resistant depression/anxiety, trauma-related conditions, and behavioral addictions through evidence-based nutrition interventions.
Do you accept insurance?
We operate as a private pay practice but provide superbills for potential insurance reimbursement. Clients should verify coverage with their insurance provider before services.
Are virtual appointments available?
Yes, we offer virtual nutrition counseling sessions nationwide for clients who prefer remote access to our specialized services.
What makes your approach unique?
Our integrated model combines functional medicine testing, nutritional psychiatry, and trauma-informed care to address biological, psychological, and social factors impacting mental health.
How long does treatment typically last?
Most clients engage in weekly sessions for 3-6 months, with ongoing support available through shorter check-in appointments to maintain progress and address new challenges.
Do you work with other healthcare providers?
Yes, we collaborate with therapists, psychiatrists, and primary care physicians to provide comprehensive care, sharing information with client consent to ensure coordinated treatment.
Videos
Reviews (6)
Maryann Leonard
Nov 03, 2021 Report
I had an amazing experience with David Wiss of Nutrition in Recovery
David taught me so much with my journey of food and nutrition
David offered me the tools to take care of my body, the proper foods to eat specific to medical conditions(cholesterol down 51 points) I was experiencing and supplements that have changed my life
Davis is highly educated, knowledgeable, patient and passionate about his lifes work
I know this is an old clich saying but this is the honest truthif I can do it anyone can do it
The RR app is what encouraged me to be accountable, stay consistent and understand
Justine Torres
Jan 16, 2021 Report
I've been having digestion issues for over a decade and decided to seek some answers. I am so happy with my decision to go with David Wiss. He asked thoughtful questions that would have never occurred to me. He takes the time to listen, not rush through like my experience with many other health practitioners. He maintains a safe space where you truly feel how much he cares about helping his patients. That alone makes me highly recommend David to anyone seeking to take control of their health.
Sarah Wayne
Dec 13, 2020 Report
I'm not kidding when I say that Nutrition in Recovery completely changed my life. I have been struggling with depression for years and nothing seemed to work. I really thought that this was something I was going to have to deal with forever but that was until I was referred to this company. The staff here is so kind and their number one priority is helping you recover. They helped me think of food in a completely new way and since I started coming to them my moods have really stabilized. I will always be so grateful to them. I highly recommend them.
David Martell
Nov 24, 2020 Report
If you're looking for a nutritionist, look no further. David Wiss is above and beyond and way ahead of the game. His knowledge, insight, and clarity keep me coming back. I told my friends he's a rocket scientist of his industry. He looks at all the data through today's modern technology and science, including DNA, and then gives you the map and the game plan to execute through proper nutrition and supplements. I'm feeling better than I have in some years thanks to David Wiss.
Rose Walker
Jul 23, 2020 Report
I have worked with many nutritionists over the years, and will say that the work I was able to do with David was life changing and extraordinary. Going beyond meal planning and a trajectory of weight-loss, David helped me challenge many of my old belief systems by educating me with the latest research and straight up scientific facts. Davids approach is warm and empathic yet remains direct and focused. I highly recommend David if you are ready to shift your ideas around food, nutrition and body image- and begin to live at peace with yourself.
Penn Shelton
Jul 02, 2020 Report
Nutrition in Recovery and David Wiss helped me achieve something which I thought was impossible for me. I have suffered from serious GERD/acid reflux disease for the better part of 10 years and got on omeprazole multiple times daily to manage my symptoms. Multiple doctors have told me over the years that it was not a good medication to be on long term, but other medications didnt manage my symptoms and no method of getting off of it ever worked due to intense flare ups and unmanageable discomfort. With Davids help, I was able to taper off the omeprazole while implementing some supplements