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  1. P

    What’s wrong with Nebido

    Few folks there reacted quite negatively about my protocol - Nebido 1000mg once per ~10weeks. I’m new here I want to know, understand and chose the best option for me. Some mentioned about large fluctuations, which my doctor mentioned as possible side effect comparing to differnt esters and...
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    TST blood test results

    I found out good compression study between undecanoate and Enanthate Comparison of long-acting testosterone undecanoate formulation versus testosterone enanthate on sexual function and mood in hypogonadal men “It’s at least as effective as enanthate”
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    TST blood test results

    Forgetting about all the non relevant talks on YouTube, I have found one research about testosterone undecanoate. https://www.nature.com/articles/s41366-019-0517-7 By searching I found out that it’s much more expensive that other esters. Luckily I’m not paying for that as regardless of...
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    TST blood test results

    I posted FT in the initial message Total Testosterone 7.3 nmol/L (1.63-34.0) SHGB 16 (low) mol/L (17.1-77.6) Free Androgen Index 45.63 (20.4-81.2) Free Testosterone 3.99 (low) pg/mL (4.81-22.42) Later on FT has been confirmed low with LC/MS-MA method, which seems be accurate.
  5. P

    TST blood test results

    I found only that “review”, but as in comparison to different materials in which there were very elaborative, they just said “I hate, it’s crap”. No justification whatsoever. Neither some medical docs, nor patients reviews (e.g. in Reddit) are so strong with that opinion. What I see majority...
  6. P

    TST blood test results

    Thank you for sharing the link. It explains that 8-week regimen is better compared with a 10-week regimen. However it says nothing that it has “low success rate” as mentioned in one of the previous post.
  7. P

    TST blood test results

    You are absolutely right, that’s the reason why I won’t see him again and I have changed a doctor already. Can you please elaborate? Do you have some links/papers?
  8. P

    TST blood test results

    Doctor Herb repeated results and when saw that 10% (7.8 nmol/L 225 ng/dL) vs 211 initially announced success and recommend to continue to use Longjack (Tongcat Ali) .. I won’t see it again. In the same time I started to talk to more competent doctor - endocrinologist from Cleveland clinic...
  9. P

    TST blood test results

    Based on your input I decided to find a better doctor, who instead of herbal treatment would at least check my thyroid.
  10. P

    TST blood test results

    Doc (urologist) prescribed me Longjack (Tongcat Ali) for 3 months and eventually implement THT if there would be no improvement. I wonder if herbs can increase level of testosterone to the normal level, as mine as quite low. maybe I should find another doc…
  11. P

    TST blood test results

    Thank you for very informative answer. Regarding SHBG, do I understand correctly that with low SHBG level not so much testosterone would bound to it, so the rest will be available for an organism as free testosterone. Is low SHBG a bad thing than? I did a comprehensive blood test last April...
  12. P

    TST blood test results

    Hello everone. I’m new here and I found that forum after looking for some info about TRT. As I have a low libido and quite a problem with sleeping, so I decided to check testosterone and I done some blood tests. PSA (prostatic specific antigen) PSA Total 0.58 ng/Ml (0-4) PSA Free...
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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