dialing in

  1. L

    Dialing in my TRT, next steps

    I've been running TRT for a while but am finally dialing in my TRT. Before and during TRT, my libido and EQ have been so-so. I have been taking 2.5mg of tadalafil daily, which sometimes does not work. I am thinking about raising it to 100mg every four days (175mg a week). These labs are based...
  2. S

    Testosterone Propionate - Gauging How Quickly It Is Peaking Based Off EQ

    Hello Gents, I am currently taking 7mg of test propionate daily. 29G insulin needle subcutaneously every morning around 9-10am. This is a fairly recent switch from test cypionate (10mg ed - subcutaneous, switched a little over a month ago), for which I had not found success in terms of quality...
  3. M

    Whats my next move?

    Hey guys! So ive been on 85mg 2x per week for 10 weeks now. Before i was on 80mg 2x per week and had no night or morning wood. Also no libido. I feel pretty good now on the 85mg x2. And occasionally i have some strong night and morning wood. But my libido is still completely dead! I have...
  4. J

    Anastrozole Adjustment

    When adjusting anastrozole dosage, how long does it take for estradiol to reach the new equilibrium? I'm trying to dial in and I want to see how long to wait before drawing new labs.
  5. R

    Dialing in right dosage/regiment on TRT

    Began my journey on TRT 8 weeks ago. PRE TRT --------Total T : 215 --------SHBG: 67 ---------Free T: 2.35 --------BIOAVAILABLE T:69 --------Hemocrit : 45 ---------E2 :14 After 5 weeks of 100mg/ week Test Cypionate, HCG 250iu twice week: Total T:524 SHBG: 47 Free T...
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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