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| Astragalus
© Steven Foster |
Introduction
This fact sheet provides basic information about the herbA
plant or part of a plant used for its flavor, scent, or potential
therapeutic properties. Includes flowers, leaves, bark, fruit, seeds,
stems, and roots. astragalus--common names, uses, potential
side effects, and resources for more information. Native to China,
astragalus has been used for centuries in traditional Chinese medicineA
whole medical system that originated in China. It is based on the
concept that disease results from disruption in the flow of qi and
imbalance in the forces of yin and yang. Practices such as herbs,
meditation, massage, and acupuncture seek to aid healing by restoring
the yin-yang balance and the flow of qi.. In the United States, the herb gained popularity in the 1980s.
Common Name--astragalus, bei qiIn
traditional Chinese medicine, the vital energy or life force proposed
to regulate a person's spiritual, emotional, mental, and physical
health and to be influenced by the opposing forces of yin and yang., huang qi, ogi, hwanggi, milk vetch
Latin Name--Astragalus membranaceus, Astragalus mongholicus
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What It Is Used For
- Historically, astragalus has been used in traditional
Chinese medicine, usually in combination with other herbs, to support
and enhance the immune system. It is still widely used in China for
chronic hepatitis and as an adjunctive therapy in cancer.
- It is also used to prevent and treat common colds and upper respiratory infections.
- Astragalus has also been used for heart disease.
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How It Is Used
The root of the astragalus plant is typically used in soups, teas,
extracts, or capsules. Astragalus is generally used with other herbs,
such as ginseng, angelica, and licorice.
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What the Science Says
- The evidence for using astragalus for any health condition is
limited. Results from small or preliminary studies suggest that
astragalus may benefit heart function and help the immune system fight
infections.
- A few studies have shown potential benefits for using astragalus--in combination with another herb, glossy privet (Ligustrum lucidum)--as an adjunctive therapy for cancer. In general, however, these studies were not well designed.
- NCCAM-funded investigators are studying the effects of astragalus on the body, particularly on the immune system.
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Side Effects and Cautions
- Astragalus is considered safe for most adults. Its possible side
effects are not well known because astragalus is generally used in
combination with other herbs.
- Astragalus may interact with medications that suppress the immune
system, such as the drug cyclophosphamide (Cytoxan, Neosar) taken by
cancer patients and similar drugs taken by organ transplant recipients.
- People should avoid using astragalus species such as "locoweed"
that grow in the United States, as these other species may have
different effects and side effects.
- Tell your health care providers about any complementary and
alternative practices you use. Give them a full picture of what you do
to manage your health. This will help ensure coordinated and safe care.
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Sources
Astragalus. Natural Medicines Comprehensive Database Web site. Accessed May 10, 2007.
Astragalus (Astragalus membranaceus). Natural Standard Database Web site. Accessed May 9, 2007.
Upton R. Astragalus. In: Coates P, Blackman M, Cragg G, et al., eds. Encyclopedia of Dietary Supplements. New York, NY: Marcel Dekker; 2005:25-30.
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For More Information
Visit the NCCAM Web site and view:
NCCAM Clearinghouse
Toll-free in the U.S.: 1-888-644-6226
TTY (for deaf and hard-of-hearing callers): 1-866-464-3615
E-mail:
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
CAM on PubMed
Web site: nccam.nih.gov/camonpubmed/
NIH Office of Dietary Supplements
Web site: ods.od.nih.gov
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This publication is not copyrighted and is in the public domain. Duplication is encouraged.
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NCCAM has provided this material for your information. It is not
intended to substitute for the medical expertise and advice of your
primary health care provider. We encourage you to discuss any decisions
about treatment or care with your health care provider. The mention of
any product, service, or therapy is not an endorsement by NCCAM. | NCCAM Publication No. D384
May 2007
http://nccam.nih.gov/health/astragalus/index.htm
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