Michael Colgan (nutritionist)

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Michael Colgan has a PhD in Psychology from the University of Auckland, New Zealand who gained recognition through his articles in the bodybuilding magazine Muscular Development and also through his books. He started the Colgan, Inc. in California in 1983 dedicated to nutrition. The Colgan Institute has since moved to San Diego, California and Saltspring Island, British Columbia, Canada. Michael Colgan PhD is no longer associated with Colgan Institute Canada Ltd as of 2011 and is now only associated with Isagenix International a multi level marketing company. [1]

Colgan's books cover several areas including nutrition for strength and muscular development, nutritional strategies and methods to slow the aging process, and nutritional methods to prevent disease.


  • Your Personal Vitamin profile No longer in print (1982)
  • Prevent Cancer Now: Your Guide to Self Protection (1992)
  • Optimum Sports Nutrition: Your Competitive Edge No longer in print(1993)
  • The New Nutrition: Medicine for the Millennium No longer in print (1996)
  • Hormonal Health: Nutritional and Hormonal Strategies for Emotional Well-Being & Intellectual Longevity (1996)
  • The Flavonoid Revolution: Grape Seed Extract and Other Flavonoids Against Disease (1997)
  • Creatine for Muscle and Strength No longer in print (1997)
  • Win the War Against Arthritis No longer in print (1999)
  • The Right Protein for Muscle and Strength No longer in print (1999)
  • Essential Fats No longer in print (1999)
  • Antioxidants, the Real Story (1999)
  • Beat Arthritis (1999)
  • Protect Your Prostate (2000)
  • Sports Nutrition Guide: Minerals, Vitamins & Antioxidants for Athletes No longer in print (2002)
  • All New Sports Nutrition Guide No longer in print (2002)
  • Perfect Posture: The Basis Of Power (2002)
  • New Power Program: New Protocols for Maximum Strength (2004)
  • Nutrition For Champions (2007)
  • Save Your Brain (2008)
  • Strong Bones (2009)
  • The Perimenopause Solution (2009)
  • Save Your Brain: Expand Your Mind (2012)
  • Quiet Mind: Journey of Joy (2013)


  1. ^ About the Colgan Institute, colganinstitute.com, accessed January 13, 2007.