Poly's Ganoderma Lucidum (Reishi Mushroom) Capsule adopt a new process technic to produce Ganoderma Lucidum to pellets, which will be easiest to digest and not absorb moisture at all, the effective ingredients can be absorb much more efficiently. Ganoderma Lucidum have been used in China for at least 2000 years and is known as Ling-Zhi. It is also known as Red Reishi. It has been shown to strengthen immune system, increase Natural Killer (NK) Cell activity and anti-cancer.