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Relypsa is a biopharmaceutical company leading the discovery, development and commercialization of polymer-based medicines to treat conditions that are often overlooked and undertreated, but that can have a serious impact on patient lives or even be life-threatening. Relypsa was founded in October 2007 and is headquartered in Redwood City, Calif. In 2015, we received FDA approval for our first medicine, which was developed based on our polymer technology platform for the treatment of hyperkalemia. In September 2016, Relypsa became a Vifor Pharma company. Today, we have more than 400 employees united by a passion for improving people’s lives.