Herbs of Gold Mushroom 5 Complex contains a blend of five mushrooms to support immune system health. Mushroom 5 complex contains five mushrooms including shiitake, reishi, cordyceps, snow fungus and turkey tail. Source of polysaccharides, the active constituents in medicinal mushrooms. Reishi and cordyceps are traditionally used in chinese medicine as lung tonics and expectorants to loosen chest phlegm and relieve coughs.