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Medical and Pharmacy Editor:

Brand Name: Astragalus membranaceus

Generic Name: Astragalus

Drug Class: Antimicrobials, Herbals; Oncology, Herbals

What Is Astragalus and How Does It Work?

Astragalus suggested uses include treating upper respiratory infection, common cold, other infections, and hepatitis.

Other suggested uses for astragalus include treating breast, cervical, and lung cancers (in combo with glossy privet [Ligustrum lucidum]).

There is insufficient reliable evidence to rate astragalus use in breast cancer, lung cancer, hepatitis, and the common cold.

Astragalus is available under the following different brand names: Astragalus membranaceus.

Dosages of Astragalus:

Suggested Dosing


  • 1-30 g/day orally
  • Doses greater than 28 g/day not recommended, no additional benefit and might cause immune suppression


  • 0.5-1 Liter per day (maximum of 120 grams of whole root per liter of water)

Dosage Considerations – Should be Given as Follows:

  • See "Suggested Dosing"
Medically Reviewed by a Doctor on 9/6/2017

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