asda chanel
George at Asda 'Chanels' supermarket chic as models imitate Karl Lagerfeld's recent show at Paris Fashion WeekGeorge at Asda / Getty

Consumers across the globe may think they shop smart by bagging deals and making healthier choices when it comes to the food they put on the table.

However, studies show that out of thousands of well known food products, around two to four companies own these brands and therefore "control" our choices.