The best replacement for hormones is neurotransmitters.

The best alternatives to hormones are rated as following:
★★★★★  neurotransmitters
★★★  depression
★★  synthetic hormones
★★  heredity
★★  thyroid
★★  enzymes
★  antidepressants
★  natural hormones
★  mental illness
★  synthetic
★  steroids
★  hrt
★  steroid hormones
  premarin
  prempro
  animal hormones
  protein hormones
  antibiotics
  inhibiting hormones
  no hormones
  cytokines
  hysterectomy
  weight gain
  local regulators
  plant hormones
  pheromones
  prohormones
  nerves
  bioidentical hormones

Your alternative for hormones is not listed? Suggest!
Speaking about hormones, one probably shouldn't forget about birth control.

Other search terms related to hormones and their ratings are:
★★★★★ birth control
★★★★ mirena
★★★★ menstrual cycle
★★★ intracellular receptors
★★★ negative feedback
★★★ transition
★★ positive feedback
★ pill
★ cell surface receptors
★ hrt
You have in mind a companion for hormones and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hormones in all years. Click on graph for more.
hormones
neurotransmitters
depression