Dietary supplement that helps fight chronic fatigue and strengthen the immune system. It also acts as an antioxidant, it is a good ally in the fight against free radicals. Reishi has been traditionally recommended for problems such as insomnia, or problems and derivations of stress, although it can also be a good supplement to reduce cholesterol and hypertension, as antiplatelet and anticoagulant effects. Chinese researchers found that reishi improves blood flow and lowers oxygen consumption of the heart muscle.