Immuna is a formula tailored to enhance the immune system. It contains active hexose correlated compound (AHCC), a natural and nutritional ingredient that has been used for many years as a supplement to strengthen the immune system. This active compound has been extensively studied and shown to increase the level of immune cells, including natural killer (NK) cells, CD8+ T-cells and dendritic cells^1,2. It also enhances NK cells activity^{3<.sup> and modulates cytokine activity4.}