Sucralose is an artificial sweetener. The majority of ingested sucralose is not broken down by the body, so it is noncaloric. In the European Union, it is also known under the E number (additive code) E955. Sucralose is about 320 to 1,000 times as sweet as sucrose (table sugar), twice as sweet as saccharin, and three times as sweet as aspartame. I... Found on http://en.wikipedia.org/wiki/Sucralose