The best replacement for iodine is iodide.

The best alternatives to iodine are rated as following:
★★★★★  iodide
★★  betadine
★★  hydrogen peroxide
★  potassium iodide
★  kelp
★  chlorine
★  chlorhexidine
★  surgery
★  chlorine dioxide
★  neosporin
★  rubbing alcohol
★  nascent iodine
★  chlorine water purification
★  peroxide
  mercurochrome
  synthroid
  sodium
  thyroid surgery
  thyroidectomy
  betadine allergy
  chloraprep
  regular iodine
  salt without iodine
  chlorhexidine gluconate
  merthiolate
  detoxified iodine
  tapazole
  iodoral
  bromine
  methylene blue
  inorganic iodine
  131 iodine
  iodine
  povidone iodine
  potassium iodine

Your alternative for iodine is not listed? Suggest!
Speaking about iodine, one probably shouldn't forget about starch.

Other search terms related to iodine and their ratings are:
★★★★★ starch
★★★★★ kelp
★★ baby oil
★★ potassium
★★ selenium
★★ selenium supplements
★★ iodide
★ propanone
★ food
★ salt
★ iodide supplements
★ ct scan
★ sodium thiosulfate
★ sodium thiosulphate
★ eating salt
★ table salt
thiosulphate
potassium iodide
sodium
sodium chloride
acetone
povidone
thiosulfate
tyrosine
You have in mind a companion for iodine and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of iodine in all years. Click on graph for more.
iodine
iodide
betadine