 Supermarkets such as Tesco PLC LSE:TSCO and J Sainsbury PLC LSE:SBRY need tougher regulation as are making billions of pounds of profit but farmers are getting less than 1 of the profit from the food they produce, according to a new report. UK farmers are often left with far less than 1p profit from the food items they produce, a report from charity Sustain has found. 