Silver protein (mild silver protein)
Tier 4 — risky / avoid · Argyria · No efficacy
A form of colloidal silver with larger particles that accumulate more readily in tissues, causing faster onset of argyria, the irreversible permanent blue-grey skin discolouration. No antimicrobial benefit when taken orally has been demonstrated. FDA says there is no safe or effective medical use for any silver-containing supplement taken by mouth.
Dose: AVOID — causes irreversible skin discolouration (argyria); no proven oral health benefit