The use of colloidal silver either in oral or IV use is not a new therapy. Silver is a tool used during ancient times as well as utilized in the United States for combating infections. It is a non toxic broad spectrum anti microbial therapy with few if any toxicities. Not all oral silver products, nor Iv silver are equal. You must do your research for the best oral silver.
There are reports of silver products if taken too regularly and are of poor quality to cause Argyria - This condition results in the silver depositing in the skin causing a blue tinge to deep blue color. I have never personally seen a patient with Argyria
I have seen silver used for MAI infections ( myocabacterium aviam intracellulare) and chronic Lyme Disease
I have used Argentyn 23 and have recommended Sovereign Silver to my patients. I have also used products by Quick Silver