"With the availability of more effective pharmacologic alternatives, physician-directed use of silver-containing products has significantly declined. However, recently many health-food manufacturers have promoted colloidal-silver-based products as cure-alls. With the proliferation of the Internet, it has become much easier for these manufacturers to market their products to unsuspecting consumers using unsubstantiated claims of effectiveness against major illnesses such as AIDS, cancer, arthritis, and infectious diseases."
They present a case of argyria, that permanent bluish-gray skin discoloration that can come from using Colloidal Silver :
Of course, Colloidal Silver fanatics say that such cases are the fault of the victim for not taking the potion "properly".
Someone who rants about "toxins" in vaccines should not be promoting a "soup" made from the extremely toxic Oleander plant, which has no demonstrated efficacy against cancer or any of the other things DQ thinks it's wonderful for. Oleander contains toxic cardiac glycosides and a strychnine-like chemical:
It may be justifiable to recommend a drug or supplement if it works, even though there are potential toxicities or side effects. Pushing a product that doesn't work _and_ is dangerous and/or disfiguring is unconscionable.