The Reishi mushroom, commonly referred to as the "mushroom of immortality", is a wood-degrading basidiomycete with numerous pharmacological effects. It has been used for improvement of well-being and logevity for thousands of years in China. The most important pharmacologically active constituents of Reishi mushroom are beta-glucan and triterpenoids with the functions, including: anti-tumor, immunomodulation, hepato-protective, improving sleep, inhibiting cholesterol synthesis, anti-aging, anti-hypertensive (ACE inhibiting), anti-microbial, anti-inflammatory, anti-HIV. Function 1. Reishi mushroom, also known as Ling-Zhi (Chinese), has shown in recent studies to be helpful for heart health, including normal cholesterol, blood pressure, and circulatory system support. Reishi mushroom contains a high amount of polysaccharides, which are essential for proper functioning of the immune system. 2. Reishi mushroom is used as a tonic and a sedative. According to traditional Chine