Biothera, Eagan, MN, has named Xsto Solutions, Morristown, NJ, as its eastern U.S. distributor of Wellmune WGP and the company’s other immune-enhancing ingredients for foods, beverages and supplements. Wellmune WGP is a natural ingredient clinically proven to enhance key immune cells. The E.T. Horn company distributes Biothera’s ingredients in the western U.S.