To learn more

National organizations and websites*

There’s a great deal of interest in complementary and alternative therapies. The Internet makes it possible for people to share ideas and information very quickly. But too often information on the Internet is written by promoters of useless treatments. Along with the American Cancer Society, the following is a partial list of websites and phone numbers of reputable groups that provide reliable information on complementary and alternative therapies:

National Center for Complementary and Integrative Health (NCCIH)
Toll-free number: 1-888-644-6226
TTY: 1-866-464-3615

    Has information on complementary and alternative therapy -related topics and clinical trials

Memorial Sloan Kettering Cancer Center
About Herbs and Botanicals

    For evidence-based information about herbs, botanicals, supplements, and more

United States Food and Drug Administration
Toll-free number: 1-888-INFO-FDA (1-888-463-6332)

    Learn more about herbs and dietary supplements. You can also report side effects or other adverse events (harmful or bad effects) caused by a dietary supplement to Medwatch at 1-800-FDA-1088 (1-800-332-1088) or visit

United States Department of Agriculture, Food and Nutrition Information Center
Phone: 1-301-504-5414

    Find out about dietary supplements, vitamins, and minerals. Choose “Dietary Supplements” from the left menu bar

National Cancer Institute
Toll-free number: 1-800-4-CANCER (1-800-422-6237)
TTY: 1-800-332-8615

United States Federal Trade Commission
Toll-free number: 1-877-FTC-HELP (1-877-382-4357)

    Learn about cancer ads, offers, scams, and unproven treatments. You can also log complaints that can help detect patterns of wrong-doing and lead to investigations and prosecutions. (The FTC does not resolve individual consumer complaints.)

National Council Against Health Fraud

    A private, non-profit, voluntary health agency that looks at health misinformation, fraud, and quackery as public health problems


    An international network of people who are concerned about health-related frauds, myths, fads, fallacies, and misconduct. Its main focus is on quackery-related information that is difficult or impossible to get elsewhere.

*Inclusion on this list does not imply endorsement by the American Cancer Society.

The American Cancer Society medical and editorial content team

Our team is made up of doctors and oncology certified nurses with deep knowledge of cancer care as well as journalists, editors, and translators with extensive experience in medical writing.

Last Revised: March 31, 2015

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