NATURE'S ANSWER MULLEIN LEAF DIETARY SUPPLEMENT SUPPORTS THE HEALTH OF YOUR RESPIRATORY SYSTEM WITH 500 MG. OF MULLEIN PER SINGLE DOSE. WE MAKE OUR SUPPLEMENT IN OUR U.S.-BASED CGMP-CERTIFIED FACILITY USING ETHICAL MANUFACTURING PROCESSES AND UNDER STRICT QUALITY STANDARDS. OUR 90 COUNT BOTTLE OF MULLEIN LEAF SUPPLEMENT GOES THROUGH 100 QUALITY CONTROL CHECKPOINTS TO ENSURE THE BEST PRODUCT REACHES YOUR HANDS.