While aspartame, like other peptides, has a caloric value of 4 kilocalories (17 kilojoules) per gram, the quantity of aspartame needed to produce a sweet taste is so small that its caloric contribution is negligible, which makes it a popular sweetener for those trying to avoid calories from sugar. The taste of aspartame is not identical to that of sugar: the sweetness of aspartame has a slower onset and longer duration than that of sugar.
Some critics believe it to be the cause of cancer and a number of illnesses. To this day, the health effects of aspartame have been under intensive study.
Health problems, due to aspartame are: fatigue, irritability, headache, MS-like symptoms, depression, anxiety, dizziness, memory loss, vision problems, hyperactivity, migraine, aggression & insomnia…
Aspartame is not recommended for children or women during pregnancy.