Colloidal Silver is one of our most used products in our home and highly recommended products in store. Colloidal silver has been around a long time. It was used extensively in the 20th century until antibiotics became popular and relegated the use of silver in general to relative obscurity. Colloidal silver isn't patentable but drugs are and profits are made in selling a patented product. And some silver compounds had side effects if used improperly. In fact if you do a search for colloidal sil