The research showed customers at this particular supermarket found it hard to change their shopping habits.
The vast majority (86 percent) said they wanted to eat more healthily, while a further 77 percent wanted help from supermarkets in doing so.
The ban on multi-buy offers is part of Tesco’s wider commitment to support customers to lead healthier and more sustainable lives.
They are also looking to achieve the goal to boost sales of healthy products to 65 percent as a proportion of total sales by 2025; a target it set following pressure from investors’ campaign group ShareAction.