Reishi Mushroom, also known as Ganoderma lucidum, is a type of fungus that has been used in traditional medicine for centuries, particularly in Chinese medicine. It is often referred to as the "mushroom of immortality" due to its reputed health benefits, which include boosting the immune system and reducing stress. This mushroom is typically found growing on decaying wood and has a glossy, reddish-brown appearance. Reishi can be consumed in various forms, including powders, teas, and capsules, making it accessible for those looking to incorporate its potential health benefits into their diets.