Michael Colgan is a biochemist and physiologist nutritionist

Nutritionist

A nutritionist is a person who advises on matters of food and nutrition impacts on health. Different professional terms are used in different countries, employment settings and contexts — some examples include: nutrition scientist, public health nutritionist, dietitian-nutritionist, clinical...

 who gained recognition through his articles in the bodybuilding magazine Muscular Development

Muscular Development

Muscular Development is an American fitness and bodybuilding magazine first published in 1964. It was founded by Bob HoffmanBob Hoffman - athlete, nutritionist, weightlifter, coach and philanthropist - was born on a farm in Tifton, Georgia on Nov 9th 1898. His family stock was good. Bob was never...

and also through his books. From 1971 through 1982 Colgan was a senior member of the Science Faculty at the University of Auckland

University of Auckland

The University of Auckland is a university located in Auckland, New Zealand. It is the largest university in the country and the highest ranked in the 2011 QS World University Rankings, having been ranked worldwide...

 in New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. In 1972 he started the Colgan Institute in Auckland

Auckland

The Auckland metropolitan area , in the North Island of New Zealand, is the largest and most populous urban area in the country with residents, percent of the country's population. Auckland also has the largest Polynesian population of any city in the world...

, New Zealand. Dedicated to Nutrition Science the Colgan Institute has since moved to San Diego, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 and Saltspring Island

Saltspring Island

Saltspring Island is one of the Gulf Islands in the Strait of Georgia between mainland British Columbia, Canada and Vancouver Island. It is the largest, the most populous, and the most frequently visited of the Gulf Islands...

, British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. According to the Institute's website the Colgan Institute is "...a consulting, educational and research
facility concerned with the effects of nutrition on physical performance and on
inhibiting the degeneration of aging."

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