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Essiac/Flor Essence (PDQ®): Integrative, Alternative, And Complementary Therapies - Patient Information [NCI]

This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http://cancer.gov or call 1-800-4-CANCER.

Overview

  • Essiac and Flor Essence are herbal tea mixtures that are sold worldwide as health tonics or herbal dietary supplements (see Question 1).
  • Laboratory, animal, and clinical (human) studies with Essiac and Flor Essence have not reported clear evidence of an anticancer effect (see Question 3 and Question 4).
  • The U.S. Food and Drug Administration (FDA) has not approved Essiac or Flor Essence as a cancer treatment (see Question 6).
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