Complete Protein vs Incomplete Protein…What is the Difference?

William Smith is the President / CEO and Founder of the INTRAFITT Corporation which was established in California in 1992. Will has won more than twenty-eight bodybuilding championships and is also known for his role as “THUNDER” on television’s American Gladiator between 1990 – 1992. He is a National and International Speaker on Performance Nutrition and Exercise Science.

For the most part, dietary proteins can be divided into two categories; Complete Proteins which are those derived from animal sources such as chicken, fish, eggs, beef, turkey, milk, yogurt, and cheese and Incomplete Proteins such as those derived from plant and vegetable sources including nuts, seeds, rice, pasta and beans.  Quantitatively and qualitatively speaking, complete proteins are superior in amino acid content and bioavailable nitrogen per unit weight than incomplete proteins.  This is important to realize because the role of amino acids in human metabolism is to not only build and maintain the tissues of the body but also to transport, regulate, protect and maintain a variety of other metabolic processes.

Please send all questions to  Join me on Sunday mornings at at 10 AM EST for my new radio show or log onto to and listen to it 24/7 under Media Center.

In strength and honor,
William Smith/aka Thunder

Next time we will discuss the role that amino acids play in the hormonal regulation of lipolysis and beta-oxidation.


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