Astragalus Complex is a strong tonic blend containing Astragalus, Echinacea purpurea root and Eleuthero. This combination of herbs contains many compounds including triterpenoid saponins, flavonoids, sterols, caffeic acid derivatives (especially cichoric acid), alkylamides, and a diverse group of constituents called eleutherosides. The Eleuthero component of this tablet is standardized to contain 600 mcg of syringaresinol diglucosides (eleutherosides) per tablet to ensure optimal strength and quality. Together these herbs and the compounds within them help to: support immune system function maintain feelings of general well-being support vitality facilitate the body's normal response to occasional stress promote a healthy response to environmental stress* Take 1 tablet 2 - 4 times daily, or as directed. Serving Size: 1 Tablet Amount Per Serving Calories ... 3 Astragalus root 4:1 extract ... 212.5mg from Astragalus membranaceus root 850 mg Echinacea root 5:1 extract ... 130mg from Echinacea purpurea root 650 mg Eleuthero root 10:1 extract ... 75mg from Eleutherococcus senticosus root 750 mg Containing syringaresinol diglucosides 600 mcg Other Ingredients: Cellulose, sodium starch glycollate, croscarmellose sodium, silica, magnesium stearate, hypromellose, maltodextrin and calcium phosphate. Caution: Contraindicated in known allergy to plants of the daisy family. Not to be used during pregnancy and lactation unless otherwise directed by a qualified health care professional. Discontinue during an acute infection or fever.