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  1. J

    Kyzatrex - sudden emptiness feeling in head

    My test level was fairly low on 200mg twice a day, so my doctor just pumped me up to 400mg twice a day. I have noticed less of this after I switched back to dosing 12 hours apart.
  2. J

    Kyzatrex - sudden emptiness feeling in head

    Thanks I think I will try that and go back to every 12 hours.
  3. J

    Kyzatrex - sudden emptiness feeling in head

    I’ve been on it for about 5 weeks. I take 200mg, twice a day. I have been experimenting with dosing protocols, which may be the issue. I was reading about how some doctors suggest to take the second dose earlier so that the effects are felt throughout the day and during sleep as much. Maybe it’s...
  4. J

    Kyzatrex - sudden emptiness feeling in head

    Hi all, after beginning kyzatrex, I’ve noticed I have moments in the day where my mind gets spacey and feels empty. I don’t know how to explain it well, but has anyone had similar symptoms? I wonder if it has to do with water intake and or diet?
  5. J

    KYZATREX (oral testosterone undecanoate) Updates

    Thanks I knew I saw it somewhere! Do you have any experience with this dosing schedule?
  6. J

    Oral testosterone. Who's on it?

    Does anyone have a link to the doctor talking about taking a second dose of TU early afternoon?
  7. J

    KYZATREX (oral testosterone undecanoate) Updates

    Does anyone have the study with oral T where the doctor talks about taking the second dose early afternoon?
  8. J

    Kyzatrex or Jatenzo

    Got it- so if I took my first dose at 5am when should I take my second?
  9. J

    Kyzatrex or Jatenzo

    That’s what I was thinking. I just didn’t know if there was enough time for the test to absorb from the time I woke up til my workout
  10. J

    Kyzatrex or Jatenzo

    Thanks for the response. So there is no real benefit to taking it pre workout?
  11. J

    Kyzatrex or Jatenzo

    Can someone please help me with dosing protocol- I wake up at 5am and workout at 5:30. I eat breakfast after the gym at about 7am and then eat dinner at 5:30pm. Should I take the first dose when I wake up or with breakfast?
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TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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