Global consumption of functional dairy drinks grew 12% to 999 million litres last year, according to Zenith International, equating to a retail sale value of £2.4bn.
Shoppers are being given the chance to sample new products in Sainsbury's Taste the Difference range during a fortnight-long Taste Festival, which runs until 10 October.
Light bulb switch
Conventional light bulbs will start disappearing from shop shelves next year in an effort to cut CO2 emissions. A four-year voluntary initiative to switch sales to eco-freindly bulbs, led by major retailers and light bulb suppliers, was unveiled by environment secretary Hilary Benn on Thursday.