The word ‘protein’ refers to a type of molecule in food that can be broken down into amino acids. The body needs twenty amino acids - as a biological machine it can create (or synthesize) eleven of these itself. However there are nine, called ‘essential amino acids’ that the body cannot create and has to gain through the consumption of food.
These ‘essential amino acids’ are: Tryptophan, Threonine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Valine and Histidine.When we eat, the body breaks down the protein in food in order to create the amino acids that it needs.
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