Longer and complex supply chains mean even products in your local supermarket can be affected, despite advances in detection technology.
It can be a bottle of excellent wine that you buy at a discount online that is diluted with grape juice.
Wine Credit: pexel
Or maybe there's nothing natural about your turmeric, its signature color being produced from cheap synthetic dyes.
Or maybe the king prawns you buy at your local restaurant, according to a study in the US, could be the result of added substances such as jelly.