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  1. Systemlord

    New Member -- Will Take All the Advice I Can Get; Initial Questions re Dose

    This is a bad sign, targeting a lab number rather than symptom resolution. FT should be targeted at the top of the ranges or higher. TT doesn't tell the whole story.
  2. Systemlord

    WAS: 5 months post stopping TRT cold turkey bloodwork , NOW: Wife No Longer Wants Sex

    That's a ticket to divorced for me. The woman I'm courting now, 27 year age gap, hehe, I told her when I feel like the deal is one-sided, I'm gone! The man needs to lead, the woman follows and serves and allowing the woman to have that kind of power over her man is unacceptable. I'm putting...
  3. Systemlord

    WAS: 5 months post stopping TRT cold turkey bloodwork , NOW: Wife No Longer Wants Sex

    Your wife took the vows lightly. She gave up a long time ago. I had a brother go 16 years without sex, then finally he cheated and moved on. He was miserable for those 16 years. She never cooked, cleaned or did any of those wife duties. She was a terrible wife. Sorry to say this but your wife...
  4. Systemlord

    TRT Numbers

    Gels are known to increase DHT way more than with injections. DHT can be in 5000-8000 ranges in some cases on topicals while injections would see slightly out of ranges (100>) DHT can interfere with the prostate in aging men. I would highly recommend against using DHT blocker medicines!
  5. Systemlord

    Dialed in on Testosterone Propionate, How to Switch to Cypionate

    I'm all natural. I was referring Jatenzo if someone needed TRT.
  6. Systemlord

    Dialed in on Testosterone Propionate, How to Switch to Cypionate

    This is opposite to how my body responds. I need those big fluctuations over the course of hours rather than days. I have two labs showing am and pm natural levels. My early morning TT 438 ng/dL, FT 8.4 ng/dL and late afternoon TT 103 ng/dL, FT 1.89. This is with a 33-37 SHBG level.
  7. Systemlord

    Dialed in on Testosterone Propionate, How to Switch to Cypionate

    I'll bet it has something to do with being a daily pincushion for life. There's always Kyzatrex.
  8. Systemlord

    Dialed in on Testosterone Propionate, How to Switch to Cypionate

    Half-life is the time it takes for half the medicine to decline to 50% and the trough is your lowest hormone level before you next dose.
  9. Systemlord

    Dialed in on Testosterone Propionate, How to Switch to Cypionate

    You're basically stating all over as far as dialing in your dosage/injection frequency. The strategy is experimentation to see what works best for you. This dialing in on cypionate could take 3-6 months.
  10. Systemlord

    Libido - 1 huge leap forward, 5 steps back.

    I used to be on oral T, way better than injections. https://www.excelmale.com/threads/my-experience-on-jatenzo-oral-trt-log.23595/
  11. Systemlord

    Kyzatrex 3 month results, SHBG question

    4-6 hours is fine.
  12. Systemlord

    Kyzatrex 3 month results, SHBG question

    You didn't seek out TRT for low numbers, you sought treatment for symptoms. Let's say SHBG is a transport molecule and that it activates T on receptor sites. You don't want to inject twice weekly or daily, so this is your position. It's 2025, Google is your friend...
  13. Systemlord

    Low T, Cryptorchidism, i want optimal

    You need to get your FT to the top end of the ranges or higher! You may need to seek private care through a TRT clinic to get proper treatment. The calculated FT can be off by as much as 40%! Balance My Hormones in Dorset. They offer TRT across Europe.
  14. Systemlord

    Kyzatrex 3 month results, SHBG question

    You're waiting 3 months to do lab work and starting out on too low a dose. Steady states are achieved in 7 days, at which time levels are checked and adjusted. The recommended starting dosage is 200-237 mg twice daily. I was able to achieve a 900+ at peak, 500 at 6 hours consistently at 237 mg...
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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