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  1. G

    Anyone supplement E2 alongside TRT

    Catacecous, 100mg every 3.5 days; testing at trough for levels. SHBG is around 50 so I thought it better to keep the frequency no more than twice a week. Got started at the standard telehealth 200mg per week and thought it may be too much. Then got labs and saw that it wasn't so high after...
  2. G

    Anyone supplement E2 alongside TRT

    Thank you! Lowering T was a thought I'd had and you've underscored it for me. Maybe shoot for that 600-700 level. I'm guessing that would be 120-130mg per week.
  3. G

    Anyone supplement E2 alongside TRT

    I should mention...supplementing E2 was due to physically feeling weak/fatigued, brain fog, and joint pain (knees especially).
  4. G

    Anyone supplement E2 alongside TRT

    Not sure if I should start a new thread.....guess I'll post here first. I'm also a low aromatiser and seemingly a low responder (T-985; E2-15 on 200 Test C per week) . I'm 2-weeks into supplementing Estradiol Cypionate (2mg per week) to try and change my t/e ratio. Positives: EQ and...
  5. G

    Anyone supplement E2 alongside TRT

    Any of you gents with the low E2 having any success dialing in/modifying your regimen?
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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