Reishi, shiitake and coriolus versicolor (turkey tail) mushrooms have long been sought after as superfoods used in traditional Chinese medicine. Studies suggest these mushrooms are an anti-inflammatory food that may boost the immune system and even help fight cancer cells. The certified organic mushrooms used in this proprietary blend are grown in China but sourced and safety-tested by a Swiss supplier.Reishi (Ganoderma lucidum)