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Home/Help Center
Help Center homeGetting started hub
Getting Started
  • Welcome to PeptIQ
  • Download & install
  • Create your account
  • How tracking, protocols, and dosing work
  • Your first-week checklist
  • Getting started FAQ
Tracking & Logging
  • Add your first peptide
  • Log your first dose
  • Injection site rotation
  • Manage vials & stock
  • Import past doses from CSV
Protocols & Schedules
  • Create a protocol
  • Smart reminders & notifications
Tools & Calculators
  • Feature tour: what’s in the app
  • Reconstitution calculator
  • Half-life tracker
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  • For providers: learn the patient app

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Browse all topics
Help Center homeGetting started hub
Getting Started
  • Welcome to PeptIQ
  • Download & install
  • Create your account
  • How tracking, protocols, and dosing work
  • Your first-week checklist
  • Getting started FAQ
Tracking & Logging
  • Add your first peptide
  • Log your first dose
  • Injection site rotation
  • Manage vials & stock
  • Import past doses from CSV
Protocols & Schedules
  • Create a protocol
  • Smart reminders & notifications
Tools & Calculators
  • Feature tour: what’s in the app
  • Reconstitution calculator
  • Half-life tracker
  • Labs & health overlays
  • Connect Oura and WHOOP
AI Features
  • AI Companion
  • AI Vial Scanner
  • AI Protocol Builder & Audit
  • Connect your AI with MCP / API access
Account & Billing
  • Subscriptions & Premium
  • Cloud sync & backup
Privacy & Security
  • Privacy & your data
Troubleshooting
  • Fix notifications
  • Data missing after an update
  • Contact support
For providers
  • For providers: learn the patient app

Need a human?

[email protected]

Contact support →
Help Center/Tools & Calculators/Half-life tracker

Tools & Calculators

Half-life tracker

See modeled peptide activity and clearance based on your injection logs.

3 min read

The half-life tracker estimates relative activity over time from your logged doses and published half-life parameters. It’s a planning visualization — not a lab measurement of blood levels.

Half-life activity tracker
Activity curves help you visualize spacing between doses.
  1. 1Log doses normally so the tracker has real timestamps.
  2. 2Open Tools → Half-Life Tracker.
  3. 3Select the peptide(s) you want to review.
  4. 4Use the curve to reason about spacing — then confirm any changes with your clinician.

Model, not measurement

Curves are educational estimates. Individual metabolism, formulation, and clinical context always matter more than a chart.

Related articles

  • Feature tour: what’s in the app

    A map of PeptIQ’s main tabs and tools so nothing feels mysterious.

  • Log your first dose

    Use the + button to record peptide, dose, site, and vial in seconds.

Still stuck?

Email [email protected] or read Contact support.