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An amino acid the body cannot make on its own in enough quantity, so it must come from food.
Combining dal with rice in an Indian meal is a classic way of getting a fuller set of essential amino acids from two plant sources together.
The essential amino acid present in a protein in the smallest amount relative to requirement, capping the use of all the others.
A nutrient made of amino acids that the body uses to build and repair muscles, skin, and other tissues.
The proportion of absorbed nitrogen retained by the body, expressed as a percentage.
