Support a healthy immune system with Cordyceps from NOW. Cordyceps sinensis is a species of fungus that is widely used by Chinese herbalists. Recent scientific research shows it has a broad range of biological actions, primarily due to polysaccharides found in cordyceps. It has been found to exhibit antioxidant properties, promote a healthy immune system and support vascular function. NOW Cordyceps is a 100% vegetarian product made especially for those seeking a traditional supplement for their dietary needs. Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.