About Our Research

We’re dedicated to discovering nutrition-based solutions for better health.

RESEARCH STUDIES                   JOURNAL ARTICLES

The main goals of our research team are to examine the importance of nutrition in determining health and to develop nutrition-based therapies that resolve pathologies without harming normal tissue. Cutting-edge research, supported by the Riordan Clinic’s Bio-Center Laboratory, continues to focus on the areas of cancer, intravenous vitamin C therapy, vitamin and nutrition deficiencies.

The Riordan Clinic Research team has studied natural biological response modifiers, including vitamins and immune stimulators in relation to the body’s response to pathology and stress. Our work in nutrition led us to a theory that cancer develops as a response to wound/ stress and that nutrition can facilitate healing.

We made contributions and demonstrated the potential of using high dose intravenous vitamin C to improve immune cell functioning, suppress inflammation in patients with cancer and other degenerative diseases and suppress angiogenesis; discovered plant extracts that inhibit the growth of tumors; demonstrated the fundamental importance of nutrition in supporting immune cells and improving overall health.

Our Riordan Clinic Research team worked on the development of new adult stem cells line for the use in research and therapy. We received the BioMed Central Research “Article of the Year Award in Medicine” for the discovery of a new type of stem cells – endometrial regenerative cells. This cell line was used in the treatment of multiple sclerosis, critical limb ischemia, and muscular dystrophy.

Another of our interests includes the development of new chelation methods to treat lead and mercury toxicity and mediation of toxic metals in the body by nutritional supplementation.

Over the course of 39 years, our research has been awarded 13 patents. More than 130 articles have been published. Research results are presented to the public and the scientific community through peer-reviewed journals, lectures, the Riordan Clinic’s newsletter, and presentations. As a not-for-profit 501 (c)(3) organization, the Riordan Clinic Research Institute is funded by private donations from individuals, corporations, and foundations.

Make your tax-deductible gift to the research efforts at the Riordan Clinic:

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Riordan Clinic Research & IV Vitamin C

Recent Health Hunters Newsletters:

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Health Hunters June 2026

June 2026 Vol. 40 – No. 06 Newsletter

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Health Hunters May 2026

May 2026 Vol. 40 – No. 05 Newsletter

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April 2026 Vol. 40 – No. 04 Newsletter

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Riordan Health Hunters - March 2026

March 2026 Vol. 40 – No. 03 Newsletter

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Recent Health Hunters Blog Articles:

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15% Off Storewide This Weekend: Stock Up on the Supplements We Vet for You VIEW BLOG ARTICLE
Riordan Clinic Celebrates 50 Years of Integrative Health at Landmark Anniversary Gala VIEW BLOG ARTICLE
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How I Chose Integrative Care for My Cancer Journey VIEW BLOG ARTICLE
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Navigating the Journey of Cancer: From Surviving to Thriving VIEW BLOG ARTICLE
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Building Strength: Caring for Your Bones After Cancer VIEW BLOG ARTICLE
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Mental Health Starts With the Whole Person VIEW BLOG ARTICLE