On any given day in the US, 50% of adults drink at least one glass of soda. And despite soda’s heritage as a product sold in pharmacies, today it is best known as a sugar-laden beverage linked to weight-gain and obesity. David Lester and Ben Goodwin, co-founders of OLIPOP, want to change that and use soda as a force of good. I sat down with the two of them to learn more about OLIPOP, what goes into the business of a functional beverage, and why they picked soda as the way to change digestive health.