Consumer Interest in Single-Serve Beverage Mixes on The Rise. “The pandemic accelerated this whole idea of ‘enhance my water.’” One brand that stands to gain from an increasing and potentially disruptive consumer acceptance of single-serve beverage mixes is Nuun (pronounced Noon). The 16-year-old hydration brand is among a number of just-add-water mixes that have translated functionality to a powdered domain previously focused more on lemonade, punch and tea. Growth for single-serve beverage mixes will be driven by: