the Soy Story
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What is Soy?
Soy Foods for Health
Soy and Heart Disease
Soy and Cancer
Soy and Osteoporosis
Soy and Women's Health
Soy Foods for diabetes
Soy and Infant Formula
Soy and Sports Nutrition
Commonly Asked Questions
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What is Soy?

How does soy protein quality compare with the quality of animal protein?

Soy protein is a high quality protein, equal in quality to meat, milk, and egg protein 9 . It has a Protein Digestibility Corrected Amino Acid Score (PDCAAS) of 1.0 - the highest score that a protein can have 9 . Soy protein meets or exceeds the essential amino acid requirements of both children over the age of two years and adults 10 , 11 , and is highly digestible.