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Dr. Joseph Prendergast

ProArgi9 Formulator


The American Diabetes Association awarded Dr. J. Joseph Prendergast a Regional "Father of the Year" award in 2008.  This award is to recognize those that made family a priority.

Dr. Prendergast is board-certified in internal medicine as well as endocrinology and metabolism.

He has been a practicing physician for over 35 years and is an expert in integrative arginine and passionately believes in its ability to enhance health and is why since 1991, he has been personally using arginine in his medical practice.

During that time Dr. Joe has empowered countless patients in the art of self-care. By following Dr. Joe’s prescribed arginine therapy he has treated over 8000 patients since 1993 without a single heart attack or stroke.

“L-arginine benefits the body in a myriad of ways. We have now learned more about how l-arginine uses the two natural pathways into the brain to promote anti-aging properties, sports performance, and boost the immune system. Because l-arginine promotes healthy blood flow, it can also benefit human sexuality. ’’ Dr. Prendergast

J. Joseph Prendergast has been a practicing physician for over 35 years.
He is Board Certified in Internal Medicine as well as Endocrinology and Metabolism. A graduate of Wayne State University in Detroit, Michigan, he completed his residency at the University of California, San Francisco. Dr. Prendergast has published nearly 40 medical articles in well-known publications such as the Journal of the American Medical Association, The New England Journal of Medicine and Diabetes Care. In 1986, Dr. Prendergast formed a single specialty endocrinology practice, Endocrine Metabolic Medical Center and a non-profit research foundation, The Pacific Medical Research Foundation. In 1999, he founded DiabetesWell, an eClinic that managed patients with diabetes lead healthier, longer lives.

Dr. Joe’s first book, The Uncommon Doctor: Dr. Joe’s Rx for Managing your Health, that reveals the secrets of preventive medicine and helps readers design a strategic wellness program. , Dr. Joe hosts his own live Internet health program each week.


View Dr. Joe's Curriculum Vitae

  • Dr. Prendergast serves on the California Legislative Task Force on Diabetes and Obesity.

  • Medical Director of the Diabetic Treatment Center at Sequoia Hospital in Redwood City, CA

  • California State Chairman of the American Association of Clinical Endocrinologists

  • Reviewer of the American Board of Internal Medicine.

  •  Endocrine-Metabolic Case Reviewer, Medical Board of California Div of Medical Quality

  • He is the Founder and Medical Director of Endocrine Therapeutics Inc

Dr Prendergast is a member of:

  • American Association of Clinical Endocrinologists
  • Fellow, American College of Endocrinology
  •  American College of Medical Quality
  •  The California Academy of Medicine
  •  The Endocrine Society
  •  Diplomate, American Board of Endocrinology and Metabolism
  •  American Diabetes Association
  •  Diplomate, American Board of Internal Medicine
  •  Fellow of American College of Physicians
  •  California Medical Association
  •  San Mateo County Medical Society
  •  Charter Member, American Association of Clinical Endocrinologists
  •  American Society of Internal Medicine
  •  Society for Clinical Densitometry
  •  American Association of Diabetes Educators
  • North American Vascular Biology Organization

Learn More about ProArgi9 Plus

Benefits of ProArgi9 Plus

Clinical Study


How Do I use ProArgi9

Order Now

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