Many of the websites that deal with this are based in the U.S. and so are of limited practicality for U.K. residents. My own interest in Budwig has been in treating diabetes 2 but there are others that are interested in it as regards cancer and heart disease prevention, waist-line reduction, skin and gums, sports performance enhancement and many other benefits.
I would recommend reading the Budwig Cook Book (see links page) for a fuller description.