a short essay on Requirement of protien for body
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How to get enough protein
Medically reviewed by Natalie Butler, R.D., L.D. — Written by Megan Ware, RDN, L.D. on September 26, 2017
Function
Absorption
Requirements
Deficiency
Sources
Weight loss
Risks
Protein is a macronutrient. It is one of the three nutrients found in food that the body needs in large amounts. It is essential for the maintenance and building of body tissues and muscle.
Proteins are made of small compounds called amino acids. Hundreds of amino acids exist in nature, but the human body only uses 22 of them.
The body can produce all but nine of the amino acids it needs. These nine are called essential amino acids. They must come from food.
All foods contain differing combinations of amino acids. In general, animal proteins like meat, dairy, and eggs contain all the essential amino acids.
Plant-based proteins from foods like beans, grains, nuts, and soy are rich in some amino acids but may lack others. A well-balanced diet with a variety of foods can provide sufficient protein for the body’s needs.