Organic Reishi Mushroom Powder is the powdered extract from the Lingzhi mushroom and can be used in cooking or can be added to drinks such as tea or smoothies.Organic Reishi Mushroom Powder is the powdered extract from the Lingzhi mushroom and is traditionally used in Chinese medicine to reduce stress and help sleep and fatigue. Reishi powder has a slightly bitter, woody taste but once added to other flavours it can be easily disguised.Add to hot beverages such as tea or coffee and is often added to smoothies for a healthy start to the day. Our organic reishi powder is produced without the use of fertilizers and treatments to help speed up the process making it pure and chemical free.A small amount of research has shown that reishi mushroom could improve good cholesterol or blood sugar. However, the majority of the research indicates that it does not improve cholesterol, blood sugar or antioxidants in the body.one small study in the Journal of Oncology found that tumors shrunk in three cancer patients that were taking reishi mushrooms. Researchers believe beta glucans in the mushrooms may prevent new blood vessel growth, which is key as cancer cells need a steady blood supply to growPossible side effects or allergic reactions to reishi include dry mouth, itchy mouth or throat, digestive distress, or bloody stools. If you experience any of these effects, it's best to steer clear of reishi mushrooms in the future. If you are taking any medications, talk to your doctor before taking reishi—just to be safe.