But base on studies they have suspicion in the short term safety on using aspartame, because they receive medical complaints like allergic reaction hives and rashes, there are also complaints of behavioral disturbances like sleep disorder, hyper acidity, depression, loss of vision, headache, diarrhea abdominal pain, menstrual irregularities and intense thirst.
Another kind of artificial foods are fake fats, example of fake fats are simplesse and olestra. Fake fats are made for intentionally make calories we eat are less than fats. There are fake fats that are made from starch like corn starch, cellulose gel, whey and oat bran, there are also fake fats from the combination of sugar, protein and edible fatty acids from egg white and whey that can make make big molecules that is passing through digestive system without changes.
But the side effects of eating fake fats is the deficiency on fat soluble vitamins A and E.