Pioneering Education in Metabolic Oncology Nutrition Therapy
250-Hour Oncology Nutrition Consulting (ONC) Certification Program
SPRING Term 2025 Application/Registration Deadline: MARCH 21, 2025
Spring courses start: MARCH 31, 2025
Spring courses end: June 8, 2025
“It is not enough for a cancer patient to receive appropriate conventional therapy for his or her disease. To improve quality and quantity of life, a regimen of good nutrition is essential.”
– Dr. Linus Pauling, PhD, twice Nobel laureate, pioneer in nutrition for cancer patients
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Since 2017, the Oncology Nutrition Institute (ONI) has been providing evidence-based educational certification and training programs in the field of modern, metabolic, innovative, integrative, and outcomes-based oncology nutrition therapy. We are a 100% online school teaching students worldwide about the medicinal potential of therapeutic diets (i.e. ketogenic, TRE, AIP, Low FODMAP, tube feeding), the safe use of nutrition alongside conventional treatments, nutrient-drug interactions, terrain assessments, micronutrients, phytonutrients, lifestyle medicine interventions, nutritional psychology, and more. Our programming is rooted in a food-first approach. We teach students how to translate research into recipes, and how to integrate lifestyle medicine interventions into daily practice. Every bite and every step can be one taken on the trail to true health.
Alongside a founding advisory board, the school was created by internationally recognized and award-winning journalist and nutritionist, Jess Higgins Kelley, MNT, ONC. Jess’s book, The Metabolic Approach to Cancer: Integrating Deep Nutrition, the Ketogenic Diet, and Non-Toxic Bioindividualized Therapies, is one of over a dozen highly curated books in our flagship 250-Hour Oncology Nutrition Consulting (ONC) certification program. Today, ONI is recognized globally for providing leading edge education programs, and our graduates are located in over twenty different countries. We believe that metabolic nutrition and lifestyle medicine should be at forefront of the standard of care. Because it works.
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Programing based on the best-selling book The Metabolic Approach to Cancer
Co-written by ONI Founder Jess Higgins Kelley, MNT, ONC
The Metabolic Approach to Cancer book is the center-piece in the first of four, 10-week courses in the 250-Hour Oncology Nutrition Consulting (ONC) Certification Program. The best-selling book was co-written by the Founder of the Oncology Nutrition Institute. Since the book was first published in 2017 it has sold over 50,000 copies and is now translated into seven other languages. Thank you to everyone who has bought the book! ​​​
In Chapter Two there is a quiz to Assess Your Terrain. This assessment tool is a novel way to evaluate the presence of potential drivers behind a disease process. From there the quiz provides ten terrain-based approaches to integrate specific to bio-individualized priorities. The proven outcomes from taking a metabolic approach is to become more vital and balanced than ever before. Learn more about yourself and feel free to use this assessment tool with your clients/patients.
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"To know thyself is the beginning of wisdom."​
- Socrates, Temple of Apollo