Active Hexose Correlated Compound Significantly Improves Immune Response Maintains Peak Natural Killer Cell Activity Supported by Over 20 Human Studies Dietary Supplement Vegan GMP This Product is Suitable for Vegetarians and is Gluten-FreeA cultured extract of hybridized medicinal mushroom mycelia (roots), AHCC is one of the world's most researched specialty immune supplements, supported by over 20 human clinical studies. Studies on AHCC have been conducted at some of the finest research institutions worldwide, including highly regarded Ivy League universities and major health centers.AHCC has shown to: Maintain optimal NK cell activity Enhance cytokine production Promote optimal T-cell activity Promote optimal macrophage activity Increase the activity & number of dendritic cellsUnlike most other medicinal mushroom extract, AHCC has a very low molecular weight of just 5,000 daltons and is rich in alpha-glucans - increasing absorption and efficacy. Because of its superior supporting research, AHCC is used by an estimated 1,000 clinics worldwide.