Planetary Herbals AHCC Active Hexose Correlated Compound Powder, Increases Natural Killer Cell Activity,2 Ounces AHCC (active hexose correlated compound) is a proprietary blend of several species of mushroom mycelia. It is cultivated and enzymatically modified and grown in rice bran. According to modern research, ahcc may significantly increase natural killer (nk) cell activity, cytokine production and macrophage activity, all vitally important to the immune system. AHCC is a registered trademark of amino up chemical co., Sapporo, japan. Features: Increases immune function Increases nk cell and macrophage activity Increases cytokine production Product Details: Product Dimensions: 2 x 2 x 3.5 inches Shipping Weight: 0.2 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 021078106210 784922023919 Item model number: PF0621