From the Manufacturer's Label:
Andrographis is an herb traditionally used by herbalists in China, India, and Southeast Asia. Recent scientific research has indicated that the active constituents in Andrographis, known as andrographolides, may help to support a healthy and balanced immune system response.*
Manufactured by NOW® FoodsContains no: sugar, salt, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives,Vegetarian/Vegan Product.