Aspartame:一个人造甜味剂with almost no calories usedinplace ofsugar.
A diet program with aspartame and exercise gives better results than without this sweetener. People lose more weight and regain less weight.
Aspartame is a compound of twoamino acids--aspartic acidandphenylalanine. Because it is essentially half phenylalanine, people who have the genetic disease phenylketonuria (PKU) and cannot metabolize phenylalanine normally need to avoiddietdrinksand other products containing aspartame (trade name: NutraSweet).
