Those nutrients that cannot be made within the body or not in sufficient quantities are known as essential nutrients.
An essential nutrient is one that the body cannot generate on its own or cannot do so in sufficient amounts. These nutrients must be supplied from diet. These nutrients are necessary for growth and for the efficient functioning of the organism.
Proteins are used by the body to maintain and repair tissues so that they can grow and produce energy. All of the necessary amino acids are present in complete proteins and proteins with significant biological significance. Meat, eggs, milk, and soybeans are a few examples of such foods. Beans and peas, which are incomplete proteins, do not contain all of the required amino acids and must be coupled with other meals or with one another in a single meal to do so.
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