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Achieving Wellness Through Nutrition

Going beyond basic food science, integrative and functional nutrition examines digestive health by understanding its interconnection with other contextual factors, including environmental impact, physiological, psychological, and even inherited gene makeup. In our online Integrative and Functional Nutrition Certificate program, you will learn to comprehensively assess your clients’ unique nutritional challenges and goals to devise interventions suited for their specific needs. This online nutrition certificate follows an interdisciplinary model, applying knowledge from biochemical, physiological, and psychosocial sciences to the study of nutrition.

Integrative and Functional Nutrition Certificate Job Outcomes

Once the online functional nutrition certification is completed, graduates will have an enhanced skill set and deepened perspective to augment your current practice or career. Depending upon each state's specific credentialing and practice requirement, those who complete this certificate program may be suited for careers in:

  • Independent consulting and private practice
  • Medical centers, hospitals, and other long-term care facilities
  • Higher education
  • Culinary institutes
  • Agricultural programs
  • Research and development

Other Integrative and Functional Nutrition Programs

Interested in pursuing an online master’s or doctoral degree in Integrative and Functional Nutrition? We offer degree programs that may align more closely with your goals:

Due Dates and Deadlines

SPRING 2026 SEMESTER

Start January 5, 2026
Apply by December 15, 2025

Learn More

Program Components

Admissions Requirements

Interested participants must have completed a bachelor’s degree program from a regionally accredited university with a GPA of 3.0 or above.

Applicants for the Integrative and Functional Nutrition Certificate program must submit the following:

  • Official transcripts from undergraduate and graduate universities
  • A personal statement of up to 500 words explaining your professional interest in pursuing this certificate
  • Professional resume or CV

Invest in Your Future

Saybrook University remains committed to keeping higher education affordable and accessible. Our Financial Aid Department is ready to offer guidance and support in determining suitable financial assistance tailored to your needs, including potential scholarship opportunities, grants, and more.

Finance your future.

Cost

Saybrook wants you to have the information you need to make an informed decision about your academic and career aspirations. Our cost calculator provides an estimated cost of attending Saybrook to earn your Integrative and Functional Nutrition Certificate.

Cost Calculators

Sample Courses

Foundations of Integrative and Functional Nutrition

This course will expand your knowledge of basic nutrition science and help you gain a foundational understanding of the integrative and functional approach to nutrition. The course reviews the fundamental principles and perspectives of conventional, traditional, integrative, and functional medical models to identify best practices for nutritional care. You will learn about the concepts and tools used within these practices and how they align with the integrative practitioner’s goal for personalized, relationship-centered, and environmentally sensitive care.

Systems Biology

This course explains the physiology, pathophysiology and applicable biochemistry that underlie the seven core imbalances within functional medicine. Understanding the physiological systems and how they become unbalanced is key to identifying and supporting interventions that address chronic disease. You will explore cardiovascular function; immunity and inflammation; digestion, absorption, and elimination; and examine how core imbalances within these systems contribute to chronic conditions.

Catalog

Please refer to our academic catalog for more information on the Integrative and Functional Nutrition Certificate program.

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University Learning Experience

Our Integrative and Functional Nutrition Certificate program is a 100% online program. While the core of this program is completed asynchronously, there are some optional synchronous, online features designed to deepen your educational experience. We call this a Virtual Learning Experience (VLE). In addition to the VLE, you will begin your studies with a virtual Welcome Week. Welcome Week activities, including a program orientation, are held online during the week before the start of Fall and Spring semesters. The in-person Community Learning Experience (CLE) is also available for you to explore. The CLE is held every odd-numbered year. It is optional and not required to complete the program.

University Learning Experience

Integrative and Functional Nutrition Faculty

Jessica Weissman
Department chair, Integrative and Functional Nutrition
  • Program Director, Integrative and Functional Nutrition
  • Past President, Florida Public Health Association
  • Past Co-President, Broward Academy of Nutrition and Dietetics

UNBOUND: Integrative and Functional Nutrition

Guided by an interdisciplinary, integrative approach, you will examine the field of nutrition through a systems-based, humanistic lens that incorporates the environmental, social, psychological, and physiological sciences.

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Integrative and Functional Nutrition’s Role in Your Health

Earning an M.S. in Integrative and Functional Nutrition from Saybrook University can significantly enhance your journey to becoming a functional nutritionist. This degree will support your continuing education and board certification efforts and separate you from other holistic nutritionists by providing a comprehensive education. Our hands-on experience in diverse communities prepares graduates to consider life […]