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  1. Systemlord

    6 month bloodwork

    No, I wouldn't recommended a blood donation for a HCT at 50%. If it bothers you go to a lab company with a 52% cutoff. My providers lab company has a 49% cutoff for HCT. I had an HCT at 55% and my doctor wasn't worried because my blood pressure was controlled. It takes knowledgeable doctor with...
  2. Systemlord

    6 month bloodwork

    The is the wrong way to do things, you test at trough, not peak. Your levels are lower 2.5 days later and that's where you want to test levels. Whatever is causing your liver enzymes to be elevated is probably the cause of your low-T, because TRT improves liver function...
  3. Systemlord

    100 mg week testosterone

    https://www.excelmale.com/threads/at-what-free-t-level-do-you-feel-optimal.26295/
  4. Systemlord

    Post finasteride syndrome cognitive

    Depends what you mean by recovered. Most do not fully recover that had the classic symptoms of PFS.
  5. Systemlord

    Question about dosing.

    The peak is short-lived, levels drop rapidly after that! If your trough level is too low and peak is too high, it will be impossible for some to truly feel optimized. For these men twice weekly is prefered to the yoyo hormone levels you get on a weekly protocol, where levels peak high and low...
  6. Systemlord

    Hair Loss & Acne Side Effects

    I've been off TRT for more than 6 months (on TRT for 7-8 years) and my male pattern baldness is unchanged. It’s all written in your genes, therefore you can’t really compare yourself to someone else. You could go on TRT and lose a lot of hair, lose little bit of hair or not progress any faster...
  7. Systemlord

    Advice About Hematocrit and TRT Dose

    The standard of care for TRT being, 200 mg every 2-4 weeks. A lot of these men are poorly managed on therapy as it is. These protocols are known to increase chances of erythrocytosis (supraphysiological to hypogandal every 10-14 days) for these metabolically compromised men. These men are...
  8. Systemlord

    T Levels and high Estradiol

    If we knew where your FT sits, I could make better recommendations. Not everyone needs FT at the top end. The problem may be the once weekly injections creates large fluctuations in hormone values. The first half of the week your hormones are higher compared to the latter half of the week...
  9. Systemlord

    T Levels and high Estradiol

    This isn't advisable. LS/MS method.
  10. Systemlord

    New blood work

    It would be in your best interest to question everything your doctors tell you, especially when it has to do with your general health, which is not what doctors are taught in mainstream medical schools. Doctors are trained and educated in men's and women's diseases and manage those diseases with...
  11. Systemlord

    Advice About Hematocrit and TRT Dose

    https://www.excelmale.com/threads/does-a-high-hematocrit-change-your-bloods-clotting-profile-high-altitude-vs-trt.30879/ https://www.excelmale.com/threads/stroke-related-mortality-at-different-altitudes-a-17-year-nationwide-population-based-analysis-from-ecuador.26723/
  12. Systemlord

    Advice About Hematocrit and TRT Dose

    I can see your problem. You lack basic understanding of hematocrit and how it one of the benefits of TRT. Even slightly over the range is considered healthy, but somehow you convinced yourself it's unsafe. I have labs showing my hematocrit change 4% (55->51%) in a few hours, because I had...
  13. Systemlord

    T Levels and high Estradiol

    No mention of FT at all. Since when is TT at 500 ng/dL considered low?
  14. Systemlord

    New blood work

    Please share lab results instead of saying RBC is high, then we can have a more productive conversation. Why do you think high red blood cells, hematocrit and hemoglobin is bad for you? TRT is likely pushing your ferritin down, the blood donations may not benefit you anymore.
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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