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  1. A

    Help with my recent Labs

    I don’t think my Kaiser doc will were the hcg. Is it too low? Any other ways to get e2 higher?
  2. A

    Help with my recent Labs

    Before TRT I only have TT and FT results. I just recently had my E2 (sensitive) and SHBG checked as well. 4/24/18 TT - 191ng/dl ( range 250-1100) FT - 33.8 pg/nl ( range 35-155) May 2018 PSA- 0.29 HCT - 40.4 after 4 months on Daily gel on both shoulders: August 2018 TT - 293 ( range...
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    Biotin in multivitamin

    I am going to have my testosterone total and free tested and I was not aware that biotin could interfere. I am taking a Kirkland multivitamin that has 30mcg of biotin. Do I need to discontinue and wait 2 days before having my bloodwork done, or is that small amount unimportant? I understand...
  4. A

    Heart Palpitations Anyone? TRT Patient For one Year

    My palpitations stopped as soon as I went on TRT. My T was 191 before I started and the palps stopped within a day or two.
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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