Lingzhi, also known as Reishi or Ganoderma lucidum, is a type of mushroom that has been used in traditional medicine for thousands of years, particularly in Chinese medicine. It is often referred to as the "mushroom of immortality" due to its reputed health benefits. Lingzhi is known for its potential to boost the immune system, reduce stress, and improve sleep quality. It contains various bioactive compounds, including triterpenes and polysaccharides, which are believed to contribute to its medicinal properties. Lingzhi is commonly consumed in the form of teas, extracts, or capsules.