According to a consumer food advocacy group, despite FDA approval, some food additives pose health risks.  Listed are those to be avoided:

acesulfame-K, artificial colors blue 1, 2, green 3, read 3, yellow 6, aspartame, butylated hydroxyanisole (BHA), cyclamate, olestra, partially hydrogenated vegetable oil (trans fat), potassium bromate, propyl gallate, saccharin, sodium nitrate.