I have an almost life-ruining case of intestinal issues and I've researched and tried pretty much everything on that list over the years, sadly to little avail.

I have an almost life-ruining case of intestinal issues and I've researched and tried pretty much everything on that list over the years, sadly to little avail. I don't like the conviction with which people recommend detailed protocols. They often have inadequate warnings (quercetin for example has not been tested for safety in higher doses + prolonged use) and fail to realize that most people are different. Plus it makes it incredibly hard to isolate what's working for you and what isn't. I much prefer discussing items individually rather than as part of a protocol, except in cases when items are directly linked (e.g. Calcium homeostasis is linked to Vitamin D, Magnesium, Calcium, Vitamin K2 and Vitamin A).