The best replacement for caffeine is nicotine.

The best alternatives to caffeine are rated as following:
★★★★★  nicotine
★★★★  decaf
★★★★  adderall
★★★  alcohol
★★  coffee
★  ritalin
★  theophylline
★  no caffeine
★  guarana
★  caffeine
★  cocaine
★  pre workout
★  thc
★  taurine
★  natural caffeine
★  nicotine more addictive
★  mateine
  decaffeinated coffee
  modafinil
  creatine
  synthetic caffeine
  ginseng
  insomniax
  green tea caffeine
  amphetamines
  caffeine anhydrous
  tea caffeine
  b12
  coffee caffeine
  nap
  amphetamine
  green tea
  blood pressure
  high blood pressure
  ephedra
  sugar worse
  ephedrine
  tea
  theobromine
  green tea extract
  decaf coffee

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

Other search terms related to caffeine and their ratings are:
★★★★★ alcohol
★★★ coffee
★★★ adderall
★★★ adhd
★★ soda
★★ hcl
★★ concerta
★ l-theanine
★ jitters
★ acid
★ sudafed
★ ritalin
★ creatine
★ ibuprofen
★ vyvanse
★ benadryl
★ headache
★ nicotine
★ aspartame
headaches
phentermine
ephedra
adipex
sodium benzoate
ephedrine
You have in mind a companion for caffeine and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of caffeine in all years. Click on graph for more.
caffeine
nicotine
decaf