Nisa and Costcutter retailers will have increased competition in major cities as Co-op is to begin an own-label trial with health and beauty chain Superdrug from the summer.

The trial will see selected Superdrug stores supplied with more than 40 products specifically for meal deals priced under £4. Products include sandwiches, sushi and salads.

• More recent news: Behind Co-op's own label margins

Branches participating are located at train stations in Brighton and Sheffield, alongside Victoria and Fenchurch Street Railway Stations in London. Other locations are East Midlands Airport, Bristol Airport and Edinburgh Airport.

• More recent news: Lower margins on Co-op lines for Costcutter shops

Co-op Food trading director Matt Hood said: "Becoming a food-to-go partner for Superdrug is an exciting development as Co-op continues to grow its brand, further increasing the accessibility of own-brand products. These transport hubs provide an exciting and dynamic location to meet the shopping needs of busy consumers and offer our values conveniently."

More recent news: Retailer anger as Scottish government reveals DRS policy