In fact, the FDA recently issued warnings against seven companies that claimed to sell products that cured or prevented the coronavirus, including colloidal silver. Wong says that companies ...

Silver was also used as an antimicrobial for wounds. Modern colloidal silver products are sprayed or applied to the skin.

In fact, the FDA recently issued warnings against seven companies that claimed to sell products that cured or prevented the coronavirus, including colloidal silver. Wong says that companies ...