Given the current lifestyle and the options available, not sure how can these be totally avoided. But one should try to limit the use foods having the additives given below additives.Limited intake will surely help you stay healthy and maintain your weight.The following additives are not good for body, try to avoid them as much as possible
Artificial sweeteners
Refined Sugar
Monosodium Glutamate (MSG )
BHA and BHT
Sodium Nitrate and Nitrite
Caffeine
Olestra (Olean)
Brominated vegetable oil (BVO)
Partially Hydrogenated Vegetable Oil
Pesticides
Genetically Modified Organisms (GMOs)