Relypsa, Inc. operates as a bio-pharmaceutical company, which engages in the development and commercialization of late-stage medicines in the iron deficiency, nephrology, and cardio-renal therapeutic areas. It offers Veltassa, a potassium binder approved for the treatment of hyperkalemia. The company was founded by Jerry M. Buysse, Gerrit Klaerner, Michael Burdick, Jay P. Shepard, Detlef F. Albrecht, George Tyson, Sandra I. Coufal and Vic Ciaravino on October 29, 2007 and is headquartered in Redwood City, CA.