Reishi is quite probably the most revered functional mushroom of them all, used for centuries for its wide range of therapeutic benefits. The Reishi mushroom is a bio-active powerhouse packed with compounds and nutrients that have been researched clinically for decades. Lingzhi, it’s Chinese name, (líng + zhī) loosely translates to ‘divine fungus’. In Amazonian traditions, reishi is known as the ‘mushroom of immortality’. Whilst these nicknames may be pushing it a bit, there’s enough research to suggest that reishi should be a regular part of our diets! One of the most important benefits of reishi is that it can boost your immune system. It does this by supporting white blood cell production, and by providing unique antioxidants that help fight against disease and free radical damage. Reishi is also being studied for its ability to reduce fatigue and fight depression. In a study of 132 people with neurasthenia (a condition associated with aches, pains and dizziness) reishi reduced fatigue and improved quality of life within 8 weeks.