Aromatic Non-Polar Amino Acid Phenylalanine is an amino with an aromatic -R group and cannot be synthesized in the body61 . Its included as essential amino acid which has the function of helping the body produce DNA and brain molecules such as dopamine, norepinephrine, epinephrine, and melanin. Generally its also used by the body to make the amino acid tyrosine. This is present all proteins cannot be produced by the human body and can only be obtained by consuming various types of food contains it. Along with other substances in human body phenylalanine contributes to the formation of neurotransmitter compounds As previously said that this amino acid is an essential amino acid, which means it must be obtained from food sources and is not produced by our bodies. Also it plays role in maintaining the function of central nervous system which can be seen in control symptoms of depression and pain due to chronic diseases. Not only that but phenylalanine can be a protector of the brain rom bacteria and viruses that circulate through the bloodstream. To fulfill this, we can consume supplements or several types of natural foods. The reason why our body need Phenylalanine is because its produce epinephrine, dopamine and norepinephrine and this compound is a neurotransmitter that take a part in controling our interactions with the environment. Consuming phenylalanine can present happy feelings even reduce hunger and increase alertness. The other function of phenylalanine is used as a pain reliever and also as improver memory and concentration in our body. Tryptophan is a heterocyclic amino acid which is initially obtained from the digestion of casein by pancreatic fluid62 .Just like phenylalanine , tryptophan also an essential amino acid that is needed for general body development and growth, niacin production, and creating serotonin in the body. Seratonin is thought to make our sleep more comfortable and can make our mood more stable. The presence of tryptophan can find in several types of foods that contain protein. The R group of tryptophan contains an indole group which is found in many biological compounds63 . Therefore, to meet the body's need for Tryptophan, we must supply it by consuming various types of food that contain Tryptophan. To get tryptophan human can consumed several foods that already proved as food that contain tryptophan, the foods is such pumpkin, soybeans, cheese, beef, lamb, chicken, turkey, tuna, various types of shellfish, lentils and eggs. In the body tryptophan used to produce niacin, a B vitamin which is important for digestive, skin and nerve health.