Immortal Mushrooms™ is a powerful and multifaceted immune system enhancement. It offers a synergistic combination of Reishi, Maitake, Shiitake, Cordyceps and Coriolus. It delivers the most active extract fractions of five revered tonic mushrooms. This is ideal for nutritional support during chemotherapy and radiation treatments. This product is legendary for power, stamina, virility and liver chi.