I guess many of us have seen this at the coffee shop. It is an artificial sweeter which is 200 times sweeter than normal sugar we are taking. Normally it is taken by people with diabetes.
As we check at its ingredients, it consists of phenylalanine. The labels "Phenylketonurics: Contains Phenylalanine" is necessary in any food consists of aspartame. It must be avoided by people with phenylketonuria, a genetic disorder in which the body lacks the enzyme necessary to metabolize phenylalanine. If not treated, the disorder can cause brain damage and progressive mental retardation.
Molecular structure of aspartme