FDA says colloidal silver is not safe or effective for any internal condition. Risk of argyria (permanent blue-gray skin). Silver has topical antimicrobial properties, but ingesting it has no proven benefit. There are dozens of proven immune supplements. Use those instead.
Colloidal silver has no proven internal health benefits according to the FDA, which has issued warnings against its use as a dietary supplement. Risk of argyria (permanent blue-gray skin discoloration) with prolonged use. No clinical evidence supporting immune benefits when taken orally. The only defensible application is topical antimicrobial use, not internal supplementation.
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