04 Jun 2021 --- UK retailer Sainsbury’s is gamifying the government’s call for consumers to eat five pieces of fruit and vegetables a day with The Great Big Fruit and Veg Challenge, running from June 1 to 28. The challenge uses fun, interactive targets to encourage customers to purchase more fruit and vegetables when shopping at Sainsbury’s by rewarding them with bonus Nectar loyalty points that can be spent at partners including Sainsbury’s, Argos and Habitat.