Purest Colloids, Inc. (PCI) is a New Jersey corporation engaged in the manufacture of high quality nanoparticle metal colloids. Their products are sold for use as dietary supplements to aid in promoting health and well being. I particularly liked the company because of their extensive research in bringing us the best products. Many years of research by the scientists at the Colloidal Science Laboratory have gone into the development of the processes used to produce these products. Purest Colloids, Inc. is the exclusive worldwide producer of the Mesocolloids. They offer many colloidal silver for us.

At Purest Colloids, Inc., research and development is an ongoing effort whose purpose is to keep our products on the forefront of quality and effectiveness. Their affiliation with CSL means that they have available a state-of-art colloid laboratory and a scientific staff whose experience spans more than a half a century. MesoSilver - Nanoparticle colloidal silver is one of their product. Meso-World shows the relative size of the silver nanoparticles in Mesosilver. High particle surface area makes Mesosilver more effective than silver protein type products with silver concentrations in the tens of thousands of ppm.