Mycology Research Laboratories Ltd.´s Coriolus versicolor powder is cultivated on a sterilised (autoclaved) medium for purity and free of pesticides and heavy metals, with a proprietary system for production standardization. The powder is sealed in plastic containers and includes both mycelium and primordia (young fruit body). Unlike extracts or concentrates, including lyophilisation, this biomass offers a mix of healthful ingredients prepared by nature itself. The mycelium contains enzymes promoting mushroom vitality, preserved in MRL products. The tablets are film coated and tested to guarantee long shelf life, with added ingredients for Kosher/vegetarian use. The biomass is certified 100% Organic in the US by Quality Assurance International.