He recommends using the Sanum remedies that are produced in the tradition of Prof. Enderlein.
Being German, I looked up the remedy prices in the German online pharamacies and they are quite reasonable, nothing like you've been quoted for SanPharma.
Georgiou's protocol for using Sanum isopathic remedies in addition to a regular Candida protocol is in the article.
I have heard good things about them from a German friend who has used them and am thinking about ordering some.