When taking Iodine in that amount mentioned it is important to take all the companions. Vit B, C, selenium + magnesium and zinc too. The Body Odor can also be bromide related, this is where real salt comes in. (the chloride in salt displaces bromide.) Vit B and Zinc helps the digestion too.
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My son used to stink; feet, scalp and armpits really stunk from he was little. His shoes stunk like cat-pee! No kidding!
This has disappeared completely after Iodine therapy for 3 years (very small dosages to begin with, now he is having almost adult dosages at 15 years old) He gets magnesium,vit C and B + Iodine / selenium almost every day, zinc once or twice a week (50 mg) The only deodorant he uses is the thaimineral-type + a little essential oil-blend mixed in his roll-on.
Seems like you are trying to many things at once; I have definitely been there too. Simplifying was a great relief for my body.
Other actions that can help is chlorofyll rich superfood like barley grass, spirulina, chlorella or a mix of these, 1-2 teaspoons daily.