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  1. T

    Advice on TRT Dosing and managing some side effects

    Hi - I am looking for advice to help dial-in TRT medications as well as a couple of current side effects. By way of background I am 61 yo active white male diagnosed with low T when I was 53. Classic presentation during late ages 45-53 despite active lifestyle (weight training 3-4 week; spin...
  2. T

    Gene Devine’s NO Stack

    I want to start Gene Devine’s NO stack but having difficulty finding horny goat weed 60% 150 mg. In the thread you note prefer Vitamin Shoppe brand. However, when I went to their website Horny Goat Weed has only 10% Icariin and many other ingredients. I found Nugenix brand that was 40% but 300...
  3. T

    Inject HCG in scrotum?

    Has anyone injected HCG directly into scrotum?
  4. T

    Converted from pellets to T-Cyp & HCG Inj. Mixed Results, Any Advice?

    Hi All- Long term member here. 58 yo white male with 5+ year history and symptoms of low T. After 3.5 years on pellets that shrunk my testicles and had me on roller coaster mood swings changed to injections. I am on protocol with 20mg T-Cyp, 500iu HCG and 0.15 mg Anastrozole every 3.5 days...
  5. T

    Pellets to Test/HCG Injection - Mixed Results Any Advise

    Hi All- Long term member here. 58 yo white male with 5+ year history and symptoms of low T. After 3.5 years on pellets that shrunk my testicles and had me on roller coaster mood swings changed to injections. I am on protocol with 200mg T-Cyp, 500iu HCG and 0.15 mg Anastrozole every 3.5 days...
  6. T

    Testapel and HCG to Keep Testicle Size

    I was on Axiron for 6 months with good response, but noticed testiculat shrinkage after about 5 months. They at about 2/3rds previous size. Also notice that scrotum is high and tight most of the time. Recently switched to Testapel. Mi am concerned about further shrinkage. Does anyone have...
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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