NOW® Air Defense® is a blend of ingredients that support healthy immune function and respiratory health during seasonal changes and year-round. Air Defense® contains PARACTIN®, a patented extract of Andrographis paniculata. Studies have shown that PARACTIN® helps to support a healthy and balanced immune response. ImmunEnhancer™, Elderberry, Echinacea, and Astragalus herbal extracts have also been included for their healthy immune supporting properties. Olive Leaf Extract has been added to help to maintain healthy respiratory function.*

NOW® BetterStevia™ is a zero-calorie, low glycemic, natural sweetener that makes a perfectly healthy substitute for table sugar and artificial sweeteners. Unlike chemical sweeteners, NOW® BetterStevia™ contains pure Stevia extract. NOW Foods takes special measures to preserve Stevia's natural qualities in this unique, pure, better-tasting Stevia.

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, possess immunomodulating properties. Clinical studies suggest that Andrographis extracts can help to support a healthy immune response.*

sugar, salt, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product.