Of course, labels won't explicitly tell you whether the olive oil is real or a watered down version ... that they're able to ...

But can you trust that the bottle in your kitchen is the real thing ... Odysea’s Good For You Polyphenol Olive Oil (£8.50 for 250ml, sainsburys.co.uk). Colour generally indicates olive type ...

Some companies label their product olive oil when it's actually cheaper oil. Others add chemicals to fake the color and taste ... that doesn't taste like the real deal, consider returning it ...