In a small UK trial, 28 per cent of people buying food online picked a healthier version of a product when they were clearly presented with the choice
Source:
https://www.newscientist.com/article/2268227-some-online-food-shoppers-make-healthier-choices-if-they-are-nudged/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home