Dr. David Wiss is a pioneering mental health nutritionist and Institute of Functional Medicine Certified Practitioner (IFMCP) who bridges nutritional science and psychiatric care through comprehensive root-cause analysis. With over 13 years of clinical experience, he founded Nutrition in Recovery and the Wise Mind Nutrition app, transforming mental health treatment by integrating cutting-edge personalized nutrition protocols into substance use disorder and eating disorder care. As a researcher and thought leader whose work has been cited in National Geographic, The New York Times, and The Washington Post, Dr. Wiss has authored over 20 peer-reviewed publications examining the complex relationships between ultra-processed food addiction, eating disorders, and mental health outcomes. His commitment stems from witnessing firsthand how medicinal plants can restore hope when traditional treatments fall short. Through his clinical work, research, and advocacy, he continues to pioneer whole-person approaches while training the next generation of integrative mental health practitioners.