They certainly help mild out the detox symptoms! Searching through the Iodine VWT threads helps turn up the clues as to what each nutrient does in cooperation with iodine.
coffee enemas supply manganese (among other lovely substances) though manganese and magnesium tend to argue with eachother.
Magnesium is one of the more important companion nutrients to iodine.
Bless on your journey,
And remember,
even God takes Saturdays off! ;-)