Wikipedia: Astralagus - Article covering astralagus's ecology, traditional uses and research. Sloan-Kettering - Astralagus - Includes information on uses, constituents and mechanism of action. Loyola Medicine: Astralagus - Factsheet including warnings, side effects and interactions. University of Maryland Medical Center - Presents an overview of the plant alongside its medicinal uses and indications. Includes precautions and supporting research. Herbazest - Astralagus - Gives a detailed explanation on Astralagus's medicinal uses, as well as information on the plant, its history, and biology. NCCIH - Astralagus - Provides basic information including common names, uses, potential side effects, and resources for more information.