AG Barr is adding a fruity flavour to its Rockstar Xdurance brand with Xdurance Electric Fruit Mix, with the aim of attracting new shoppers to the brand.

The company said the variant scored well in taste tests where 76% of consumers said that they would buy the product.

The new flavour is available in a 500ml can available in both plain and pricemarked packs at 99p. According to AG Barr, Rockstar Xdurance Blue has seen £40m-worth of sales since launch in August 2011.