New Chapter, Host Defense Liquid, 1 fl oz

MycoMedicinals certified organic mushrooms from Paul Stamets and New Chapter are the finest traditional mushrooms grown anywhere in the world, and are the only commercially available mushrooms with a Certified P Value. P Value is a scientific term for the genetic integrity of the mushroom. When Paul Stamets, one of the world's leading mushroom experts, selects a mushroom from the rainforest, he cultures it in rigorously contr