Tesco is to remove sweets and chocolate from checkouts across the full range of its stores by the end of the year in what it claims is an industry first.
The move follows research by the supermarket giant that found nearly two- thirds (65%) of customers said removing confectionery from checkouts would help them make healthier choices.
A spokesman said confectionery would also be removed from areas adjacent to the tills, such as racks of sweets placed at children's eye level next to checkout queues.
Tesco removed confectionery from larger stores 20 years ago but the most recent move will apply to all stores in the UK and the Republic, including smaller Metro and Express outlets.
It will trial a variety of healthier products at checkouts before implementing the full change by the end of December.
Tesco chief executive Philip Clarke said: "We all know how easy it is to be tempted by sugary snacks at the checkout, and we want to help our customers lead healthier lives."
Katie O'Donovan, of parenting website Mumsnet, said: "Popping into a shop with a small child in tow can sometimes feel like navigating an assault course.
"If you've made it to the checkout in one piece it can be really frustrating to then be faced with an unhealthy array of sweets designed to tempt your child.
"It's really positive to see a supermarket responding to the views of their customers and trying to make life that little bit easier."