The best replacement for iodide is iodine.

The best alternatives to iodide are rated as following:
★★★★★  iodine
★★★  kelp
★★  iodate
★★  iodine thyroid
★★  potassium iodate
★  potassium gluconate
★  potassium
★  iodine difference
★  potassium chloride
  iodine allergy
  potassium iodide
  methyl bromide
  sodium chloride
  potassium citrate
  potassium iodine
  gadolinium
  sea kelp
  nascent iodine

Your alternative for iodide is not listed? Suggest!
Speaking about iodide, one probably shouldn't forget about hydrogen peroxide.

Other search terms related to iodide and their ratings are:
★★★★★ hydrogen peroxide
★★★★ copper sulfate
★★★★ lead nitrate
★★★★ concentrated sulphuric acid
★★ silver nitrate
★★ bromine
★★ iodine
★★ lead nitrate reaction
★ octyl iodide
★ iodate
★ persulfate
★ chlorine water
★ chlorine
★ cuprous iodide
red phousohours and iodine
iontophoresis
triphenylphosphine
potassium iodate
You have in mind a companion for iodide and it is not yet here? Propose!



Google Trends

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