Suphites
These preservative are used to stop the browning and discoloration of food , but have been linked to an asthma- related sensitivity.
BHA/BHT
It helps to preserve fats and oils in food. BHT has been linked to increased risk of cancer in a number of studies.
Nitrites
This preservative is often found in meats and is responsible for giving hot dogs their red coloring. It has been linked to some types of cancer. Would you like to have such food which actually puts you at a risk of cancer.