From my calculations, for every gram of KCl you would need about 3 grams of KI to get the same amount of potassium. I've read that 6 grams of KI per day has been used in people long term without problems. That works out to be about 2 grams of KCl for potassium equivalence. Perhaps the limitation of 6 grams of KI is not limited by iodine, but by potassium. So, how would you get around this limiting factor for iodine? Add 6 grams of NaI. Viola! That's about a doubled iodine dosage.
At the rate, you might even start flushing out chloride with the other halogens.
Yes, I'm serious. Personally, I''m uncomfortable going above 50mg or KI or Lugol's per day. However, if someone is comfortable with multiple grams doses of iodide, then 6g KI + 6g NaI would give 9.7g of iodide. (See my math in post below.) If fasting on nothing but this and distilled water, I bet not only would the bromide be flushed, but even a good part of the chloride as well.
there is no doubt that huge amounts of Iodide can be survived, but why and at what cost? i did 5 grams a day for two weeks and it set me up for a fungal infection in the lungs(i did aspirate some dirty water to achieve that infection). also, it was rather miserable, making me feel jittery and frontal lobe headache.
so i have determined certain limits for mavericks like yourself if you wish to play with iodide. one gram a day is the limit for daily use on a long term basis. one could do that for life if need be. 1 gram to 3 grams a day is the range for therapeutic doses to treat specific thinks like food poisoning or bacterial infections in the lungs or urinary tract. keep those amounts to 10 days or less. anything above that is not only a waste of good KI but could induce a dysbiosis by harming good flora and fauna.
I hear you. I'm not planning on mega dosing I. However, I still don't know how much/many of your symptoms were due to K or I. A possible way to determine that would be to take the same amount of K in KCl form. However, understandably, you don't sound eager to test this out on yourself.
And as for the reason someone would want to mega-mega dose I, perhaps there are desperate people with little to loose who may discover it helps. e.g. people with terminal disease.
Iodine makes everything work better. this can actually make people feel bad. part of the beauty of iodine supplementation is that it emphasizes other deficits, like dehydration or lack of other nutrients.
Ok, now I'm confused. I'm not talking about salt loading. I'm just trying to draw out the problems of very high I vs the problems with very high K. Where does salt loading come in?
I've always recommended folks take Iodine only under a doctor's supervision and after doing a loading test. Not everybody agrees with me, but I can't and don't want to control other people's minds.
If you have issues or concerns with potassium, why not just go talk to an MD in your area ? Lots of other folks have done that with success.
FMI, high dose potassium can cause ulcers in the digestive track. So, it is a serious issue. Perhaps that's the reason why the warnings about taking Lugol's include "black stools, vomit that looks like coffee grounds, bloody diarrhea."
Here's the math check. Atomic weights of elements are approximately as follows:
Na – 23
K – 39
Mg – 24
Ca – 40
Cl – 35
I – 127
The molecular weights are
NaCl – 58
KCl – 74
NaI – 150
KI – 166
MgI2 – 278
Now, lets compare KI to KCl. If the quantity of KI is 166 grams, 39 grams of that would be K. If the quantity of KCl is 74 grams, again 39 grams of that would be K. Scalling this down, for 6 grams of KI you would get 1.4 grams of K and 4.6 grams of I. Now take KCl. To scale down to 1.4 grams of K in KCl, you would get 2.7 grams of KCl.
Now, it is my understanding that taking too much K can be a bad thing, ranging from vomiting to the Kavorkian method. Above 2.7 grams of KCl start to seem a bit much for some people YMMV.
So, assuming K is limiting factor in KI dosage, lets try NaI. In 58 grams of NaCl, you would have 23 grams of sodium and 127 grams of I. Arbitrarily scaling this down to the same 1.4 grams for Na as was done for K above, you would get 7.7 grams of I.
For fun, lets take MgI2. In 278 grams you get 24 grams of Mg and 254 grams of I. Scalling this down to 240mg (.24 grams) of Mg, you get 2.54 grams of I.
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How to more than double the maximum dosage of Iodide 
