Health Research Services (HRS) GmbH is an independent contract research organisation offering specialist services in the areas of Consulting, Scientific Drug Research & Development, Project Management, Clinical Monitoring, Medical Writing and Regulatory Affairs.

About ERr 731

ERr 731® is an extensively researched, natural approach for hot flash relief. It contains an exclusive phytoestrogenic extract of rhapontic (Siberian) rhubarb root known as ERr 731® that has been suggested to be comparable in effectiveness to an ultra low dose of conventional hormone therapies. ERr 731 is distributed abroad exclusivly by HRS.

Better Health through Pharmaceuticals, Lifestyle Medicine & Nutrients

Improving lives is at the center of everything we do. That's why we're dedicated to helping patients, pharmacists, doctors and health care professionals worldwide offer safer, effective, and more natural approaches. Pharmaceuticals and nutritional supplements improve to manage specific illnesses. So that patients everywhere can experience a better quality of life. Learn More...