Rene Caisse, a Canadian nurse and breast cancer survivor, developed Essiac tea in the 1920s. Her formula, which included slippery elm, Turkish rhubarb, burdock root and sheep sorrel, was widely marketed as a cancer remedy. As of 2010, there is insufficient evidence to support the use of Essiac as a treatment for any condition. According to the American Cancer Society, Essiac may encourage the growth of some cancers. However, proponents of the formula claim that it offers a variety of health benefits.
Cancer Treatment
Despite a lack of compelling scientific evidence, Essiac tea remains one of the most popular alternative cancer treatments in the world. The National Institutes of Health reports that nearly 15 percent of Canadian breast cancer patients use Essiac or a similar product. Rene Caisse believed that Essiac tea could transform tumors into healthy tissue, or soften them to promote their expulsion.
Detoxification
Proponents of Essiac tea say that it can cleanse toxins from the body. Rhubarb, one of Essiac's primary components, is a stimulant-laxative and may enable bowel movements in people with constipation. The American Cancer Society acknowledges Essiac's traditional use as a blood purifier. Some users also believe that it can flush toxins from the kidneys and liver.
Pain Management
Naturopathic practitioners may recommend Essiac as a treatment for pain. Some cancer patients report pain relief as a benefit effect of Essiac tea, according to the American Cancer Society. Essiac may possess anti-inflammatory activities and may be used as a complementary treatment for rheumatoid arthritis and osteoarthritis. While the National Institutes of Health notes Essiac's theoretical use as a pain reliever, the organization states that there is insufficient evidence to support this use.
Immune Support
According to the American Cancer Society, Essiac's supporters claim that it can boost the immune system's response to pathogens and cancer cells. Some people use Essiac as a treatment for HIV/AIDS and other immunocompromising conditions, but no clinical trials have investigated this use.
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