Our Organic Shiitake Mushroom Powder is grown, dehydrated and packaged on our 1840’s farmstead. We do not add anything. You are buying 100% Shiitake mushroom powder! This powder makes a great finisher for any meal. Use like a breadcrumb, add to oils and butters, ground meats, or simply use like you would salt and pepper on your favorite meal. Our powders and flavorful, versatile, convenient, and nutritionally packed. Each jar is a full ounce and comes with a shaker top.