Healthy Immune Support Free Radical Scavenger Healthy Vascular Function A Dietary Supplement Vegetarian/Vegan Kosher Botanicals/Herbs Family Owned Since 1968 GMP Quality Assured Cordyceps sinensis is a fungus that has been used by traditional Chinese herbalists for its energizing and adaptogenic properties for centuries. Cordyceps has numerous bioactive compounds, including polysaccharides and nucleosides, which have been studied for their broad range of biological activities. Modern scientific studies have shown that Cordyceps constituents possesses free radical scavenging properties and suggest that they may also support a healthy immune system and promote normal vascular function.