"The problem always gets worse with any kind of sugar, I do not eat the slightest amount of fruit because it gets worse the day after...."
-seems like it is fermenting instead of being digested then.
This was a big problem for me when I had candida, greatly helped of enzymes, betaine HCL, vit B and zinc.
(mercury etc inhibits enzymes work, so does fluoride),
If candida is suspected I would have a look at borax.
Your companions-list look good, but it can take quite a while before magnesium and other levels are good, and I would take it without calcium as this is an antigonist to magnesium + often in the wrong form like carbonate, which makes the stomach acid to alkaline and inhibit the uptake.
Took me ages to find out of magnesium; citrate or malate are my preferred form.
It took me months on high dosages of Iodine
before the good effects started to show up, so give it some time.
For my son it took some months before the BO started to fade.
Hows your body temperature, fatigue could be hypo T
headaches; tried real salt ala Water Cure
Hydrated? the Bentonite
was extremely drying to me; had to stop it.