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Dr. Joseph Prendergast
ProArgi9 Formulator


Dr. Joseph Prendergast is an accomplished scientist
and researcher who has been a practicing physician for over 35 years. 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 6000 patients since 1993 without a single heart attack or stroke.

Since 1991, Dr. Joe has been personally using l-arginine
and recommending it in his medical practice. “L-arginine benefits the body in a myriad of ways,” says Dr. Joe. “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. ’’

J. Joseph Prendergast has been a practicing physician for over 30 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 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
Synergy - Leave a Legacy - Independent Team Member