Triple-strength Cell Fort?® MAX3 features an exclusive combination essential for regulating healthy cell development and delivering life-changing results. Cell Fort? dramatically increases natural killer-cell activity and boosts the cells' defenses. Maitake has been shown in clinical research to nutritionally support the growth of healthy cells. POA cat's claw is patented and clinically studied to benefit both the natural and acquired immune systems, plus enhance critical B- and T-cell effectiveness. Together, the ingredients in Cell Fort? Max deliver exceptional support for the most critical cells in your immune system.