Program Overview
The Ph.D. in Integrative and Functional Nutrition provides a multidisciplinary curriculum integrating advanced nutrition science, research, and holistic wellness practices. As a student, you’ll explore:
- Advanced Nutritional Science: Delve deeper into nutrition's biochemical and physiological foundations and their impact on chronic diseases.
- Functional Medicine Applications: Learn to identify and address root causes of health issues with personalized, evidence-based interventions.
- Research and Methodology: Develop your expertise in designing and conducting impactful research to advance the field of integrative nutrition.
- Cultural Competency in Nutrition: Create inclusive nutrition strategies that respect diverse populations' cultural and ethical considerations.
- Mind-Body Integration in Nutrition: Explore how psychological and physiological factors influence eating behaviors and overall health.
This fully online program offers flexibility for working professionals, enabling you to balance your studies with your career while pursuing your passion for nutrition.
Career Outlook
The online Ph.D. in Integrative and Functional Nutrition degree program fulfills the current academic requirements for the Certified Nutrition Specialist (CNS) exam. In addition, the program fulfills the current core academic requirements in nutrition of the Clinical Nutrition Certification Board (CNCB) for the Certified Clinical Nutritionist (CCN) credential.
Graduates of the Ph.D. in Integrative and Functional Nutrition program are equipped for leadership roles in various fields, including:
- Academic Research and Teaching: Advance the field of nutrition by conducting groundbreaking research or educating the next generation of nutrition professionals.
- Healthcare Leadership: Collaborate with multidisciplinary teams to implement nutrition-based interventions in clinical or hospital settings.
- Public Health and Policy: Influence nutrition policies and public health initiatives to address global health challenges.
- Private Practice and Consulting: Provide expert-level insights and strategies to organizations, healthcare providers, and individuals seeking comprehensive nutrition solutions.
- Corporate Wellness and Innovation: Lead initiatives to enhance employee health and productivity through integrative nutrition strategies.
As a graduate, you’ll be prepared to become a thought leader in nutrition, driving meaningful change and improving health outcomes for diverse populations.
Connect with Us
Saybrook Learning Model
Online learning fueled by community and connection defines the Saybrook experience. As pioneers of the virtual classroom, we understand there is no substitute for the joy, belonging, and exploration that occurs when we collaborate as a community. The University Learning Experiences were designed to foster this collaboration and connection regularly.
- Residential Learning Experiences (RLE)
At these in-person intensives, clinical program students put theory into practice, hone clinical skills, gain professional guidance from experienced faculty, and acquire the residential hours required for clinical licensure. - Virtual Learning Experience (VLE)
Explore, collaborate, and deepen your engagement with your learning community. These online, synchronous events foster rich interactions beyond the classroom with your classmates and faculty. - Community Learning Experience (CLE)
Form meaningful connections, explore new ideas and perspectives, and immerse yourself in a transformative experience during this in-person, five-day event with the entire Saybrook University community.

Integrative and Functional Nutrition Faculty
Saybrook’s Integrative and Functional Nutrition faculty are practitioner-scholars dedicated to advancing their field through continued practice and comprehensive instruction. Meet some of our faculty members below.

Jessica Weissman, Ph.D.
- Associate Professor, Integrative and Functional Nutrition
- Past President, Florida Public Health Association
- Past Co-President, Broward Academy of Nutrition and Dietetics