Host Defense Mushrooms are certified organic and grown on our own farm in Washington State, USA. We maintain organic growing conditions to ensure a pure, contaminant-free mushroom harvest. Our mushroom fruitbodies and mycelium are sustainably cultivated, protecting wild species and their environments. A portion of proceeds are devoted to saving rare strains of mushrooms that dwell within old growth forests. We maintain complete control over all growing and harvesting processes for our mushroom ingredients.