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    Am I primary?

    Been on TRT without hCG for 3.5 years, prior to TRT I was not primary or secondary. Just recently added it in at 1000iu E3.5D IM as prescribed by my doc. It's brand name hCG; Novarel. I've kept it in the fridge and everything. It's been over three weeks and I have not seen a difference yet. Did...
  2. N

    Adding HCG to TRT

    Been on Testosterone for 3.5 years with AI. No HCG until last month. Started taking 300IU x2 weekly IM, noticing no difference in size, firmness, or well being. In fact, I feel like the boys have gotten smaller since using it. HCG is from the compounding pharmacy. T dose is 60mg x2 week. Age...
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    current protocol not working feel terrible

    Had a bad estrogen crash using arimidex that I explained in another thread. Finally stop self medicating and went to a good TRT doctor and he prescribed me 60mg Test C E3.5D, 300IU Hcg E3.5D, and .25mg arimidex 24 hours after my shots. I've been on this protocol for 2 weeks now. My estrogen...
  4. N

    E2 crash- recent bloods

    Been dealing with a bad estrogen crash that occurred in early June, confirmed by blood work showing E2=<5pg/ml (7.6-42.6) (June 19th). My symptoms were depression, paranoia, bone pain, joints kinda hurt, BLOATED and water retention (yes bloating - hence why i thought i was having high e2)...
  5. N

    New member - about me

    Just an introduction, I'm 23 years old. I have a B.S. in cell and molecular biology and I am currently in nursing school with intent in going into anesthesiology or urology as an advanced nurse practitioner. I'm lean and healthy and eat a nutritious diet and get a decent amount of sleep for...
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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