In the natural channel, says Good Karma CEO Doug Radi, plant-based options account for 25% of dollar sales of fluid 'milk,' but just 8% of yogurt sales. In the conventional channel, meanwhile, the figures are 8% and 1% respectively. "So if you close the opportunity gap [if plant-based yogurt can get to 25%]," he contends, "We're talking about a $600m opportunity."