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Home » Authors » Donald R. Yance, Clinical Master Herbalist & Certified Nutritionist
Donald R. Yance, Clinical Master Herbalist & Certified Nutritionist

Donald R. Yance, Clinical Master Herbalist & Certified Nutritionist

Donnie Yance is a certified nutritionist and master herbalist with over 40 years of clinical experience. He is the founder of the Mederi Center, specializing in integrative care for cancer and chronic illness; the Mederi Academy, providing practitioner education; and Natura Health Products. His work unites traditional medical systems with modern science to support whole-person healing and health optimization. He contributes regularly to his blog at https://donnieyance.com/.

Founder, Mederi Center and Mederi Foundation.
Articles

ARTICLES

Example of longevity-promoting food synergy with corn, beans, rice and avocado,

Food Synergy: The Ancient Wisdom Behind Modern Plant-Based Nutrition

Traditional food synergies hold secrets that modern nutritional science is only now beginning to fully understand.
April 27, 2026
Donald R. Yance, Clinical Master Herbalist & Certified Nutritionist

Explore food synergy, the art of eating real foods in combinations that nourish not just our bodies, but our connection to the earth and to the generations of wisdom that came before us.


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Energy-Fitness-Healthy-GettyImages-151812309.jpg

Reset and Thrive After the Holidays

A Holistic Approach to Sustainable Weight Loss in the New Year
January 13, 2026
Donald R. Yance, Clinical Master Herbalist & Certified Nutritionist

The post-holiday period is not a time for punishment. It is an opportunity to gently reset and return to habits that make you feel vibrant, grounded, and energized. 


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