Mycology Research Laboratories (MRL) is a leading company specializing in mushroom-based nutritional supplements. Established in 1997, MRL is known for its organic, science-backed mushroom products that support immune function and overall health. MRL supplements are made using high-quality mushrooms such as Coriolus versicolor, Reishi, Cordyceps, and Lion’s Mane, cultivated according to strict organic standards.

MRL's products are unique in that they contain both the mycelium and young fruiting bodies of the mushrooms, which are grown aseptically to ensure purity and potency. The company adheres to Good Manufacturing Practices (GMP) and complies with both U.S. and European organic regulations. Their supplements are popular among individuals seeking natural, therapeutic support for immune health, cognitive function, and overall vitality.