There are four main types of silver that are most known for purchase on the market:
The above links will bring you step by step through each type and information relating to each.
When colloidal silver is ingested in a safe manner using a high quality product, it has been touted as safe. It is strongly recommended that when looking into purchasing colloidal silver or your own silver generating machine, that you thoroughly research the supplier, the information provided and the safety studies.
* Do your research and ask questions. *