A healthy diet requires amino acids because it forms the building block of our muscles and tissues. The amino acids are the functional units of proteins.The essential amino acids are not produced by the body and therefore have to be taken from outside. They help in combating with fat build-up in the body and boosts our immune system by producing antibodies. Also, amino acids are utilized to make important enzymes which then support various biochemical reactions, various hormones that influence metabolism, protein like hemoglobin helps carrying oxygen through the body.
Apart from this, Our digestive tract produces many acids which are helpful in digesting the food.