Fig. 1From: Prominent positioning and food swaps are effective interventions to reduce the saturated fat content of the shopping basket in an experimental online supermarket: a randomized controlled trialAn example of the individual-level intervention when selecting butter whereby an explicit swap is offered matched for category, weight, price, and brand (a) and an example of the environmental-level intervention when searching for milk whereby products are shown in ascending order of saturated fat content (b)Back to article page