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  1. C

    Great free t lousy total t

    Please see results below for a 19yo. The free t surprised me cuz it's high normal. But the total t is low. I gather he has a low shbg which they didn't test. Would you treat this for low t despite having a great free t? Testosterone, Free, S Normal Range: 5.36 - 21.2 ng/dL 17.8 result...
  2. C

    Dad now son at 19 low t

    I got DX at 40 years old with secondary hypogonadism and have been on trt since. I remember I had lowish LH and FSH. Tried clomid which brought up LH moderately but did not bring up my testosterone enough. Also felt not well on it. I believe I have some primary and secondary. Because I have a...
  3. C

    Kyzatrex or Jatenzo

    Good day all. I've been on testosterone cypionate almost 7 years. I inject anywhere from 100 to 120 mg in total divided 2 times a week. Am 47. I'm feeling good consistently for years now. Looks like my insurance cover oral testosterone. I did read some threads on here, I see system Lord is...
  4. C

    Current TRT Protocol 85mg E6D, thyroid?

    my protocol, which is currently 85mg E6D. no AI. started injections 12/18. Am 41 years old. So i got most labs back, pending - total t, E2, pregnenolone, D3. Attached is a chart to see #s pre-injections and new labs. Summary of key new labs from 1/30/18: RBC 5.33 (4.1-5.8) hematocrit 48.6...
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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