The best replacement for acetylcholine is norepinephrine.

The best alternatives to acetylcholine are rated as following:
★★★★★  norepinephrine
★★★★  dopamine
★★★  choline
★  acetylcholinesterase
★  atropine
  nicotine
  ach
  phosphatidylcholine
  catecholamine
  adrenaline
  noradrenaline
  cobra venom

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

Other search terms related to acetylcholine and their ratings are:
★★★★★ atropine
★★ muscle contraction
cardiac muscle
You have in mind a companion for acetylcholine and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of acetylcholine in all years. Click on graph for more.
acetylcholine
norepinephrine
dopamine