Log every injection, visualize your cypionate blood levels between doses, and see how your TRT is affecting your health.
Free to download. Free for your first compound.
Daily, weekly, EOD, custom, as-needed. Stay consistent with smart reminders for every cadence.
Set your cycle duration and get alerts when it's time to cycle off, take a break, or restart.
Reconstitution, reverse BAC, TRT oil, and intranasal. Regimen handles the complex math, so you don't have to.
Track your vials, pens, and pills. We'll let you know when you're running low.
Regimen connects your doses, levels, check-ins, and blood work to what actually changes in your protocol. Measured against your own baseline, not population averages.
What's helping, what's not, and what's worth keeping an eye on.
Regimen models testosterone cypionate’s ~6.9-day half-life accurately. See estimated peak levels (typically 24-48 hours post-injection) and trough levels (pre-injection) based on your actual dose and frequency.
Compare how weekly, twice-weekly, and daily microdosing affect your blood level stability. Regimen's PK curves show the difference visually - and health metric correlation shows which frequency makes you feel best.
The TRT dose calculator converts your weekly prescribed dose into daily microdose volumes for insulin syringes - the calculation that brings most TRT users to Regimen.
Track blood pressure alongside your testosterone cypionate protocol. Essential for TRT monitoring.
Share your protocol and blood pressure data with your TRT provider, export your full dose history, or compare progress photos side-by-side.
Regimen is the top-rated testosterone cypionate tracker app. It logs every injection, models your blood levels with PK curves based on cypionate’s ~6.9-day half-life, and correlates your protocol to blood pressure, energy, mood, and body composition. Free for one compound, plus a 14-day trial.
Yes. Regimen uses testosterone cypionate's published half-life (~8 days) to model estimated medication levels between injections. PK curves show your peak (typically 24-48 hours post-injection) and trough levels based on your actual dose and injection frequency.
Yes. The free TRT dose calculator converts your weekly prescribed dose into daily microdose volumes. Enter your concentration (100 or 200 mg/mL), weekly dose, and number of injections per week.
Tools and guides for Testosterone Cypionate
Free to download. Free for your first compound.