John Westerdahl, PhD, MA, MPH, RDN, CNS, FAND

John Westerdahl, PhD, MA, MPH, RDN, CNS, FAND

John Westerdahl, PhD, MA, MPH, RDN, CNS, FAND

Dr. John Westerdahl is an internationally recognized authority in the fields of food, nutrition and wellness. He is a Registered Dietitian Nutritionist, Certified Nutrition Specialist, Master Herbalist, Board Certified Anti-Aging Health Practitioner, Health Scientist and Health Educator.

A graduate of Loma Linda University School of Public Health, Dr. Westerdahl’s Bachelor of Science, Master of Public Health and Doctorate degrees are in the fields of food, nutrition and health education. With an interest in spiritual wellness, Dr. Westerdahl also received a Master of Arts Degree in Religion. He is a graduate of Cornell University's eCornell Plant-Based Nutrition Certificate Program. 

Dr. Westerdahl is currently in private practice specializing in plant-based nutrition, lifestyle medicine, nutrigenomics, longevity, and anti-ageing. He previously served as the Director of the Bragg Health Foundation and Director of Health Science for Bragg Live Food Products in Santa Barbara, California, the Director of Wellness & Lifestyle Medicine and Nutritional Services for Adventist Health Castle Medical Center in Hawaii, the Director of the Murad Inclusive Health Center and the Murad Inclusive Health Medical Group in Los Angeles, Senior Nutritionist and Health Scientist for the Shaklee Corporation and the Director of Nutrition for Dr. McDougall’s Right Food’s, Inc. in San Francisco, and Nutrition Editor for Veggie Life magazine. Dr. Westerdahl is a former assistant nutritionist to two-time Nobel Prize winner, Dr. Linus Pauling at the Linus Pauling Institute of Science and Medicine, formerly located in Palo Alto, California. With an interest in whole food, plant-based gourmet cuisine, he was the staff nutritionist for Millennium Restaurant, San Francisco’s premiere vegetarian cuisine restaurant and co-authored the bestselling book, The Millennium Cookbook – Extraordinary Vegetarian Cuisine. Dr. Westerdahl is a Past Chair of the Vegetarian Nutrition Dietetic Practice Group of the Academy of Nutrition and Dietetics.

Dr. Westerdahl’s popular radio talk show, Nutrition and You, and television show, Tasty and Meatless, reached thousands every week throughout the Hawaiian Islands. His new radio talk show, Health & Longevity, is listened to internationally on the LifeTalk Radio network. These radio and television programs have successfully helped thousands of people learn more about nutritional awareness, good dietary habits and health benefits accruing form a plant-based lifestyle. He has written on the topics of health, longevity, food, nutrition and herbs for a variety of national publications and is a frequent guest and lecturer on radio and television.

Over the past thirty-five years, Dr. Westerdahl’s experience and research has led to the development of several state-of-the-art food, nutritional and herbal products and formulations that have been marketed worldwide. His research has led him to consult, study and work with some of the world’s leading authorities in the fields of food science and nutrition, pharmacognosy and phytomedicine, esthetics and dermatology, and in integrative and lifestyle medicine, and nutrigenomics.

Dr. Westerdahl is a member of numerous scientific and professional societies including the American Association for the Advancement of Science, the Academy of Nutrition and Dietetics, the American Society for Nutrition, the American Nutrition Association, the American College of Lifestyle Medicine, and the American Academy of Anti-Aging Medicine. He is listed in Who’s Who in the World, Who’s Who in AmericaWho’s Who in Medicine and Healthcare, and Who’s Who in Science and Engineering. He has received several honors and awards, including national awards from the Academy of Nutrition and Dietetics for his contributions in the fields of vegetarian nutrition and in integrative and functional medicine.

  • Registered Dietitian Nutritionist
  • Certified Nutrition Specialist
  • Health Scientist / Health Educator
  • Board Certified Anti-Aging Health Practitioner
  • Fellow, Academy of Nutrition and Dietetics
  • Fellow, The Linnean Society of London
  • Master Herbalist
  • Author & Lecturer
  • Radio Talk Show Host – “Health & Longevity”
  • Council Member, True Health Initiative 
  • Past Chair, Vegetarian Nutrition Dietetic Practice Group of the Academy of Nutrition and Dietetics
  • Former, Assistant Nutritionist to Nobel Laureate Dr. Linus Pauling