Biochemical Individuality

The Basis for the Genetotrophic Concept

Roger J. Williams (1893 – 1988) was an American professor of chemistry, which named folic acid and discovered pantothenic acid (vitamin B5). He was founder and director of the Clayton Foundation Biochemical Institute at the University of Texas which, under his directorship, was responsible for more vitamin related discoveries than any other laboratory in the world. Dr. Williams was a member of the National Academy of Sciences and President of the American Chemical Society.

Roger J. Williams also developed the concept of genetotrophic disease. According to him, the following thesis formed the basis of this new approach to nutrition:

“the nutritional microenvironment of our body cells is crucially important to our health, and deficiencies in this enviromnent consititute a major cause of disease.”

In 1956 Dr. Williams published the groundbreaking work Biochemical Individuality, which is only now coming to be accepted and understood by the medical community. Until now, generalized dietary recommendations like the RDAs were the norm. This timeless classic links our biological diversity with individual nutritional needs and shows you how to determine and meet those needs for optimal well-being.

This version of Biochemical Individuality was reprinted in 1989 by Keats Publishing, New Canaan, Connecticut. The book has a new introduction by Jeffrey S. Bland, Ph.D.

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Link to the text version of this audio presentation from the Ludwig von Mises Institute


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Roger J. Williams: Pioneer in Biochemistry, Nutrition, Biochemical Individuality, and Public Education. Biochemical Institute, The University of Texas, Austin (website)

Roger J. Williams, Wikipedia article


Nutrition and Physical Degeneration

A Comparison of Primitive and Modern Diets and Their Effects 

Dr. Weston A. Price (1870 – 1948) was a Cleveland dentist, who has been called the Charles Darwin of Nutrition. Searching for the causes of dental decay and physical degeneration he observed daily in his dental practice, he turned from test tubes and microscopes to study people with fine teeth the isolated primitives.

In 1939, he published Nutrition and Physical Degeneration. The book startled the worlds of science and nutrition with its documented evidence of primitive populations encountering civilisation, adopting modern diets, and finding that their health worsened. It remains the basic book in this area and is essential reading for those concerned with food and health.

Nutrition and Physical DegenerationTitle: Nutrition and Physical Degeneration Author: Weston A. Price * A Project Gutenberg of Australia eBook * eBook No.: 0200251h.html Language: English Date first posted: 2002 Date most recently updated: April 2012 Project Gutenberg of Australia eBooks are created from printed editions which are in the public domain in Australia, unless a copyright notice is included.

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The Price-Pottenger Nutrition Foundation (PPNF)

Weston A. Price Foundation

Weston Price, Wikipedia article