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  1. J

    Total or free testosterone?

    Hi Im wondering if I should go after Total or Free Testosterone. If I have total in the high range like this blood test shows. Total 988. reference 221-716ng/dl Free 12.5 reference 7.0-36.7 ng/dl SHB 80 reference 11-78 nmol/L Then if I increase the T dose to go after the free T it will look...
  2. J

    Scrotal application?

    It has been some discussion about scrotal application of testosterone. Does anyone here have more info about that? 1) Is that a special cream or just the regular T-gel? 2) If you are taking cyponite, and add the scrotal do you lower the dose of cyponite or? 3) Do you have to test your DHT if...
  3. J

    Thyroid T3 ok T4 low

    Hi guys. Just a little simple question. My T3 is in a good range using Nature-Troid, but my T4 is low, do I get any benefit to rasie my T4 into normal range, or is it enough to have the T3 optimal? Johann
  4. J

    Thyroid or Ferritin problems?

    Hi guys Thyroid or Iron problem? I do have a problem with heart palpitation, anxiety, chest pain, brain fog. Not always, I can be good for a 1-2 months and then it hit me and I'm bad for 1-3 weeks. I have taken "all" the blood tests and had EKG, 24 hour EKG, Ultrasound, and all "good" there. But...
  5. J

    Low Prolactin.

    Is there any way to increase Prolactin with Supplement, diet? My level came in at 6.1 Johann
  6. J

    Should I Donate? Confusing Results

    What do you consider low ferritin? I'm having problem with my Iron, as I have Hemochromatosis but my ferritin is at the low end but high iron and high saturation. Johann.
  7. J

    Would my wife benefit from HRT with those numbers?

    My wife just got her lab test. Testosterone 30ng/dl Free Testosterone 1,3 pg/ml Estradiol 41,9 pg/ml Progesterone 2,5 ng/ml She took the Blood test on day 1 of her period. (I think its called the Follicular phase) And she is 47 years old.
  8. J

    Free t3 good, Free t4 low.

    Hi, I have been able to get my Free T3 in a good range 3.7 but my t4 sames to be hanging in 0.9-1.0 Should I ask my Dr to add t4 to my protocol or is this just fine? Or add t4 from bluesky? Im taking 4 grains a day of nature throid. Did take 2 at 6am and another 2 at 2pm. But did change...
  9. J

    What dose of Sermorelin for Women?

    Does anybody have any input on if Sermorelin is effective for women, and in what dosage?
  10. J

    Thyriod Storm.

    A long story short. 12 months ago I was doing http://www.drbrownstein.com Iodine protocol, and when I was tapering down to 12.5mg dayli maintenance dose, I got a Thyroid Storm, though I was having a stroke:( I was a mess for about 6 weeks, and the Dr that I have seen are not helping.. By...
  11. J

    Starting TRT Numbers.

    First Test 10/20/13 Not using anything Test- 472 Free- 6.4 Second Test 11/26/13 Using Test C 50.mg a Week Test- 378 Free T- 5.9 E2- 8.1 Will go up to 2x50.mg a week now, and add 125 iu HCG ED and take next blood test in 4 weeks..
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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