ProtocolEngine.io

Simple pricing

Free for evidence-based protocols. Premium for personalization and full research access.

Free

$0/month

  • All protocols with evidence grades
  • Supplement & habit directory
  • Weekly digest (web + email)
  • Basic interaction checker
  • 5 AI advisor questions/day
  • Compare tool
Get started free
Most popular
Premium

$12/month

or $99/year (save 31%)

Everything in Free, plus:

  • Full evidence breakdowns (study-level detail)
  • Protocol builder with interaction warnings
  • Stack analyzer with gap analysis
  • Unlimited AI advisor
  • Personalized dashboard with evidence alerts
  • Priority access to new features
Start free, upgrade anytime