Ever been shopping and had to do a double take to make sure you pick up the right item instead of an own brand replica? You wouldn't be alone.

According to research, 33% of shoppers have accidentally bought the wrong product, confused by the packaging - perhaps a reason why making a product look more like the original leads to a 30% rise in sales. But can you tell the difference? Take a look at some of the most notorious copycat groceries on the shelves.

SainsburyÂ’s supermarket caused a stir when they launched this lookalike drink, provoking Pimm's to sue them.