The best replacement for activated charcoal is charcoal.

The best alternatives to activated charcoal are rated as following:
★★★★★  charcoal
★★★★  activated carbon
★★★  bentonite clay
★★★  zeolite
★★★  regular charcoal
★★★  baking soda
★  bbq charcoal
★  charcoal briquettes
★  diatomaceous earth
★  bentonite
★  bamboo charcoal
★  cooking charcoal
★  normal charcoal
  cholestyramine
  simethicone
  ipecac
  gas x
  gastric lavage
  charcoal activated

Your alternative for activated charcoal is not listed? Suggest!
Speaking about activated charcoal, one probably shouldn't forget about sorbitol.

Other search terms related to activated charcoal and their ratings are:
★★★★★ sorbitol
★ simethicone
★ or without sorbitol
You have in mind a companion for activated charcoal and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of activated charcoal in all years. Click on graph for more.
activated charcoal
charcoal
activated carbon