Astragalus

This fact sheet provides essential information about the herb astragalus, including its common names, uses, potential side effects, and resources for further information.

Common Names

• Astragalus
• Bei qi
• Huang qi
• Ogi
• Hwanggi
• Milk vetch

Latin Names

• Astragalus membranaceus
• Astragalus mongholicus

Uses

Astragalus has a long history in traditional Chinese medicine and is used for various health purposes, including:

• Supporting and enhancing the immune system, often in combination with other herbs.
• Treating chronic hepatitis and as an adjunctive therapy in cancer treatment.
• Preventing and treating common colds and upper respiratory infections.
• Addressing heart disease.

How It Is Used

The root of the astragalus plant is commonly used in:

• Soups
• Teas
• Extracts
• Capsules

Astragalus is typically combined with other herbs, such as ginseng, angelica, and licorice.

Scientific Insights

• Evidence supporting the use of astragalus for health conditions is limited. Preliminary studies suggest it may benefit heart function and enhance immune response against infections.
• Some studies indicate potential benefits when astragalus is used with another herb, glossy privet (Ligustrum lucidum), as an adjunctive therapy for cancer, though these studies often lack robust design.
• The National Center for Complementary and Alternative Medicine (NCCAM) is funding research to explore the effects of astragalus on the immune system.

Side Effects and Cautions

• Astragalus is generally considered safe for most adults, but its side effects are not well-documented due to its common use in combination with other herbs.
• It may interact with medications that suppress the immune system, such as cyclophosphamide, which is used by cancer patients and organ transplant recipients.
• Caution is advised against using certain astragalus species, such as “locoweed,” which may have different effects and side effects.
• It is important to inform healthcare providers about any complementary and alternative practices to ensure coordinated and safe care.

Resources

• Astragalus. Natural Medicines Comprehensive Database.
• Astragalus (Astragalus membranaceus). Natural Standard Database.
• Upton R. Astragalus. In: Coates P, et al. Encyclopedia of Dietary Supplements.
• NCCAM National Institutes of Health

This summary highlights the key aspects of astragalus, including its traditional uses, potential benefits, and safety considerations.