Marcus Research Laboratory has manufactured Povidone-Iodine raw material for over 30 years in St. Louis, Missouri - the heart of the United States. We produce three grades of PVP-Iodine to meet the requirements of the human and veterinary industries. Our Povidone-Iodine USP meets the specifications in the current US Pharmacopoeia (available Iodine 9 - 12%). We are pleased to offer material with excellent stability, low moisture and a high average available Iodine content. Our two non-USP grades ...