Commonly Found In: Carbonated drinks, salad dressings, vinegar, wine and pickles

Why You Should Look Out For It: While sodium benzoate is a naturally occurring but low level chemical found in fruits like berries, apples and plums, it’s when it’s synthesised that it can get worrying.

Researchers in the US have found that sodium benzoate, when added with ascorbic acid (a form of vitamin C), can produce benzene, a carcinogen (a substance that is capable of causing cancer).

However, it would take a billion litres of soda before you really feel the effects of this carcinogen.

Commonly Found In: Dipping sauces, salad dressings, seasoned deli meats, seasoned chips

Why You Should Look Out For It: While MSG gives food that umami flavour that makes it so addictive, the chemical is said to be linked to asthmatic problems, migraines and headaches.

Indulging in an occasional cup noodle or bag of chips is fine, but do so in moderation.

Commonly Found In: Almond milk and other milk products

Why You Should Look Out For It: Despite how Carrageenan is actually derived – from seaweed and is natural, researchers have found that it can sometimes cause inflammation in your digestive system. This means that ulcers and other forms of sores may start to form.

Commonly Found In: Baked goods

Why You Should Look Out For It: Guar gum is often used as a thickening agent in foods but eating high amounts of it can cause diarrhea or loose stools. Should you ever consume a lot of it, it’s especially important to drink plenty of water because guar gum can also cause blockage in the intestines.

Commonly Found In: Alcoholic beverages, condiments, snack foods

Why You Should Look Out For It: Sulfites aren’t exactly a harmful compound but there are people who are known to be more sensitive to it than others. Those who are more sensitive tend to develop asthma-like symptoms and find it difficult to breathe.