01 Mar 2018 --- DNX’s high-protein meat based bars will be lining the shelves of an additional 290 Sprouts Farmers Market stores in the US, DNX Foods founder John Rooney tells NutritionInsight. DNX Foods sold its first meat based bar in 2016 and has seen impressive growth over the past year in what company officials are calling an enthusiastic response to growing consumer demand for a meat-based protein bar.