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    High Blood Pressure on TRT

    I started TRT several months back. Started 100mg once a week but after first follow up went to 120mg split into twice weekly doses. Everything has been great, with all my hypogonadal symptoms eliminated. But now I have elevated BP. For the first 10 weeks it was hovering at 140/100. (I’ve...
  2. O

    Please help me read my first post-TRT test results

    Hi everyone. So, my urologist ordered the first follow-up blood tests four weeks into TRT. I took those tests yesterday, prior to my weekly injection of 100mg. I have a follow-up appointment with him at the end of this week where I intend to tell him that the only changes I've felt after four...
  3. O

    Needle Gauge for IM/Quads

    Please, I'm not looking for recommendations to switch to my delt or VG. Or to switch to SubQ. I may look into those in the future. For now, I'm just asking about IM in quads. My doc gave me an Rx for 18g needles for drawing and 21g/1-inch needles for IM injections into quads. Two questions...
  4. O

    Pre-TRT Blood Tests: Testosterone Rising?

    Question for you all. Tested Total Testosterone 367 five years ago but wasn’t interested in TRT because I didn’t have any symptoms. Flash forward five years and my libido is gone, occasional ED is now chronic, taking lots of naps, and 8 weeks into jiu jitsu classes 4x a week, the weight is...
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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