Mycology Research Laboratories Ltd. (MRL) has an extensive library of specifically isolated mushroom strains to give you the best selection of mushrooms. These strains have been collected from around the world and selected by MRL for their high bioactivity. MRL produces its mushroom biomass powder in accordance to the California Organic Food act of 1990. MRL’s proprietary cultivation technology ensures uniform, contaminate-free products of the highest quality. The biomass powder is then manufactured into 500-mg tablets to pharmaceutical GMP standards in the United Kingdom. MRL strives to bring the best to the best; in order to reach its aim, MRL has compiled a highly renowned scientific advisory board to help ensure product efficacy. For information on mushroom nutrition, visit

MRL’s line includes: Cordyceps-MRL (Dong Chon Xia Cao): Supports the body’s stamina*; Coriolus-MRL (Yun-Zhi): Supports the body’s immune system*; Reishi-MRL (Ganoderma lucidum): a tonic that reduces common/everyday fatigue*; Maitake-MRL (Grifola frondosa): supports the body’s immune system*; Triton-MRL (Ganoderma lucidum, Lentinula edodes and Cordyceps sinensis): a tonic to reduce normal fatigue caused by the everyday stress of a hectic lifestyle*.

* These statements have not been evaluated by the Food and Drug Administration. The above products are not intended to diagnose, treat, cure, or prevent any disease.