Based on the current evidence, Reishi mushroom may be a useful adjunct to conventional medicine for promoting health and well-being. However, it is essential to consult with a healthcare professional before using Reishi mushroom or any other dietary supplement. Reishi mushroom supplements should be standardized to contain a minimum of 20% beta-glucans and 10% ganoderic acids. A typical dosage range is 500-2000 mg per day, taken in divided doses.