Shoppers have been confused by a series of secret letters and numbers printed on food packaging and have been asking what the hidden meaning is. One shopper, Naomi Willis, posted in the Facebook ...

A consumer specialist has issued advice to anyone purchasing food from major supermarkets including Sainsbury's, Tesco, Morrisons and Asda - revealing how to decode their 'secret code'.

A consumer specialist has issued advice to anyone purchasing food from major supermarkets including Sainsbury's, Tesco, Morrisons and Asda - revealing how to decode their 'secret code'.