It is good to hear you have a positive outlook and are looking to incorporate some healthier foods and natural protocols/cleansing when you are comfortable.
I have a few links that you may find of interest and help.
You will find the sauerkraut links there.
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Here is a page of links I have put together for my own references. It includes all the [FAQ] Working File Threads and a ton of other information I have found helpful and useful.