Quality standards

Mycology Research Laboratories Ltd. (MRL) markets mushroom nutrition products that are cultivated in accordance with both the California Organic Food Act of 1990 and the EU organic regulation (EEC 2092/91). All MRL products are manufactured to food grade GMP standards in Holland.

Raw material MRL Quality Control Standards

The raw material cultivation processes are certified organic by QAI as in accordance with:

quality production


Finished product MRL Quality Control Standards