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  1. J

    When to draw blood?

    I apologize in advance if this is posted on a thread somewhere but I couldn't find it. I'm sure this was asked a million times already. When do people draw blood work while on trt? Is it the day before your injection or the day of injection? If you inject Monday and Thursday? Is it better on...
  2. J

    Quick question about trt without hcg

    Let's say if someone took testosterone every week for 5 years without hcg, at early 30s. Will adding hcg later help them recover and conceive a child? Or are they permanently shutdown? Or can simply adding hcg give hope again?
  3. J

    Follow up blood work on clomid 15mg

    Hey guys, I posted before being 28 years old, feeling tired all the time, symptoms of low T, easy to gain fat and hard to lose weight, gain muscle. My testosterone came at 425. I've been on clomid 15mg everyday as Justin Saya suggested at defy medical. The numbers looked great, but I hated being...
  4. J

    New guy here, few questions

    Hello all. I been lurking on these forums for sometime now, and after going through my doctor, I gave up and went to a clinic to try to fix my problems. I'm 28 years old, having all the symptoms of fatigue all the time, memory fog, hard to remember stuff, low energy and no improvements at the...
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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