Decisions on Supplements
A member of my family (J) has alopecia (sp?) and has been "prescribed" (i.e. sold by a health store) colloidal silica gel (link below) to help.
I would like any practical advice on how I - as a non-scientific, non-medical skeptic - can make a judgement on how likely this product is to be helpful beyond placebo effect. The claims on the product page itself seem fairly woolly to me.
Also any practical advice on how to _gently_ plant seeds of doubt in J's mind about bogus products would be useful (in no way am I implying that Q's silica gel IS bogus, lest I be sued for libel!).