Gold was used in bread for holy bread set before gods on alters in temples in various places like egypt, shewbread. Gold was also used in an elixir for arthritis and rheumatism according Pliny the Elder an ancient roman physician. I myself used this years. Gold tends to work its in the body to the skin cells and acts as a protector from cancer. The side effects of an overdose gold in the body is Pliny's disease a form of madness.

The other two also have healing among other uses such as burial. I have read the two combined can cure diabetes and combined other herbs leprosy.