A member asked:

How do proteins provide calories and repair the body?

A doctor has provided 1 answer
Dr. Thomas Namey answered

Specializes in Rheumatology

There are....: 4 kcal per gram of protein, versus 4 for carbs, and 9 per gram of fat! protein is an essential nutrient for life. It is composed of amino acids, which are broken down in your gut and resorbed. You liver can convert them to sugar as needed, and your bodies reassemble then into the specific proteins they need for repair of growth! the young gwoing person, athletes, and older patient needs more!

Answered 7/17/2013

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