this article has some things about the FDA that shows the FDA has had some experenience with being at the sharp end of the stick...
"Saccharin became mired in controversy in 1977, when a study indicated that the substance might contribute to cancer in rats. An FDA move to ban the chemical failed, though products containing saccharin were required to carry warning labels. In 2000, the chemical was officially removed from the Federal Government's list of suspected carcinogens."
from this link:Artificial Sweeteners: How Bad Are Saccharin, Aspartame? - TIME
Medicine: Bitter Sweetener - TIME
"Saccharin became mired in controversy in 1977, when a study indicated that the substance might contribute to cancer in rats. An FDA move to ban the chemical failed, though products containing saccharin were required to carry warning labels. In 2000, the chemical was officially removed from the Federal Government's list of suspected carcinogens."
from this link:Artificial Sweeteners: How Bad Are Saccharin, Aspartame? - TIME
Medicine: Bitter Sweetener - TIME