Echinacea
Golden Seal
Echinacea is popularly believed to be an immunostimulator, stimulating the body's non-specific immune system and warding off infections and also being used as a laxative.
Herbalists today consider goldenseal an alterative, anti-catarrhal, anti-inflammatory, antiseptic, astringent, bitter tonic, laxative, anti-diabetic and muscular stimulant. They discuss the astringent effect it has[citation needed] on mucous membranes of the upper respiratory tract, the gastrointestinal tract, the bladder, and rectum (applied topically), and the skin. Goldenseal is very bitter, which stimulates the appetite and aids digestion, and often stimulates bile secretion