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  1. J

    Symptoms Question (long-term TRT user)

    I have been on TRT/ HcG for many years, having great success and have my protocol "dialed in" to maintain my good results and continued stable blood markers. Without posting a mess of details of my protocol, I am hoping maybe some of you may have some quick insight to my question before I order...
  2. J

    Recent Yearly Bloodwork- some help please!

    Would like some assistance from the great minds on here regarding my recent labs. Some history= I am 52 yo, 6'1" and 220lbs, but muscular build as I lift heavy 3x week and am in good shape for my age (so I think). Been on TRT for about 10 yrs now. I have had primary hypertension since my 20's...
  3. J

    Timing for blood testing question

    I apologize as I am sure this has been posed many times, but I cannot find the resource- 1.=What is the optimal time to have labs done after pinning..... I do inj. on Monday a.m. and Thursday p.m. and plan to have blood draw on a Friday? 2. For PSA test, how long should one refrain from...
  4. J

    Resistant Hypertension....Any Ideas?

    Seeking input from this great site of knowledge and experience- I am 52 yrs old, 6'1" and 220 lbs. Lift seriously in gym 3x week and in overall good health/ shape. I have been on TRT for 10 yrs with no complaints and manage well ("dialed in" I guess one could say) for me. I have suffered with...
  5. J

    Help With Recent Bloodwork Results on TRT/ HcG

    Hello- 51 yo male here, been on TRT for several years using Cypionate, recently added HcG in past year for testicular atrophy. I currently follow this protocol: Test Cyp 50 mg combined with HcG 500 units both drawn up for 1 ml. total in a 29ga 1/2" syringe injected into shoulder area on M/Th...
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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