Processed food, more commonly known as convenience food are found in every house these days all over the world. Besides a lot of merits they bring, for instance say ready to eat, 2-minutes cooking, they also come with a cost, which is painful on both: our pocket and our body health. They come with a whole long list of unwanted fillers in the form of numbered ingredients mentioned in the ingredients list of the product, in the form of stabilizers, preservatives, acidity regulators, colour additives, sweetening agents, humectants, sequestrants, emulsifiers, flavour enhancers and many other chemicals. INS and E are used as prefix before those numbers. Many food additives are safe and have no reported side effects, but as researches continue to conduct in various parts of population, side effects like carcinogenicity, lifestyle disorders like Obesity, Type 2 Diabetes Mellitus, neurological disorders like Alzheimer‘s disease, Parkinson‘s disease, Attention-deficit hyperactivity disorder (ADHD), and even early death are linked positively with the consumption of a lot of additives. Animal studies have proved the mutagenic properties of different chemicals used in food and beverage industry. Proactive nations like Europe, Canada and a few more have banned many such additives to be used in the food due to the detrimental effects they bring on human health. The list of banned additives keeps getting longer every year. If you are interested in knowing more about these numbered ingredients, then keep reading. This article will help you to come to a point where you can study the ill effects caused by these fillers on our health in reference to the recent studies published on these additives. Even this is observed that the supporting studies are often widely referenced and appreciated and the opposing studies are not paid attention to or dismissed.