Ideas on stopping my 75 y.o. dad w/ alzheimer's from ordering infommercial herbal supplements?

Medical foods: Unfortunately, the lure of herbal supplements is very strong in an incurable disease of the elderly. If your dad is keen on staying organic, look at these two medical foods: axona, a fuel to assist brain function, and cerefolin-nac, a vitamin supplement, and antioxidant, focused on brain needs. Consumer's reports writes on the supplements in a recent edition.