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.


We're here to help you make a greater difference in health. To us, that means more than developing the best possible pharmaceuticals and nutritional supplements. 

It also means offering forward-thinking programs and services:

"life-changing" educational opportunities, clinically tested approaches and simplified protocols from our dedicated clinical and research staffs, a "live" professional team to answer your questions, and a workable—and profitable—framework for implementing lifestyle medicine to treat chronic disease.

Create a healthy bottom line.

Can you put patients first and still build a successful practice? Absolutely. Especially with resources we’ve designed for your business needs. Each saves you time, enhances patient communication and outcomes, and helps grow your practice.