A TRT tracker built around your protocol
100% free. No credit card needed.
What you can track with TRT
- Testosterone cypionate, enanthate, propionate, undecanoate, blends, gel, cream, patch and more.
- Injection days and sites, with a body map that remembers where you injected last.
- An estimated testosterone level curve based on your doses, which you can calibrate with your lab results.
- Total and free testosterone, estradiol, SHBG, hematocrit, PSA and other labs, flagged against ranges for your age and sex.
- Vial and supply counts, with a warning before you run out.
Use it with your own AI assistant
Ask your assistant to compare your testosterone and estradiol labs over time, or to log today's injection.
Smart Cycle has a built-in MCP server, so ChatGPT, Claude, Gemini, Grok or Mistral can read your data and, if you allow it, log doses, weight and labs by chat. Ask for a weekly report, when your next dose is due or which labs are out of range. You choose read-only or read and edit access, and you can switch it off at any time.
The built-in AI tools can also read a photo of a lab report and write your progress report, using your own free Gemini or Mistral key.
Why people use it
Keeping doses, symptoms and labs in one place makes it easier to see how you respond and to have a better conversation with your doctor. You can share a report with your clinician whenever you need to.
Questions about TRT in Smart Cycle
Does Smart Cycle work for TRT and not just GLP-1?
Yes. TRT is a full protocol in Smart Cycle: you can log testosterone injections, gels and other forms, track related labs and see estimated levels.
Can I track my testosterone and estradiol labs?
Yes. Add results by hand or scan a lab report, and Smart Cycle shows each value against a reference range for your age and sex, with your history over time.
Does Smart Cycle prescribe or sell testosterone?
No. It is a tracking tool only. It does not sell, supply or recommend any medication, and it is not medical advice.
Is Smart Cycle really free?
Yes. Smart Cycle is 100% free to use and needs no credit card. Your health data is yours and is never sold.
Can I use ChatGPT, Claude or Gemini with my TRT data?
Yes. Smart Cycle has a built-in MCP server, so ChatGPT, Claude, Gemini, Grok or Mistral can read your data and, if you allow it, log doses and labs by chat.
Not medical advice
Smart Cycle is a personal tracking tool. Talk to your clinician before you start, stop or change any treatment.