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    T3 and rT3 - Treated with Cytomel

    Is anyone else on Cytomel long term? I have had my numbers checked a couple of times. Currently my numbers are: Free T4 - 1.26 ng/dl Free T3 - 4.2 pg/dl rT3 - 23.2 ng/dl My dosage of Cytomel was just increase from 15mcg a day to 25mcg a day. My metabolism feels like had increase substantially...
  2. S

    Horrible Body Odor with Testosterone Injections

    I was just wondering if anyone else has experienced this before? And when I say horrible, I mean it. I will litterally take a shower, change my shirt, and an hour later I stink bad! I suspect I know the root cause of it but wanted to see what others thought. My thoughts: I was injecting subQ...
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    TRT for 4 months - No change in labs

    So I started TRT about 4 months ago. My protocol I was put on was .25ml of test cyp 200 3 x a week with HCG 500 iu 2 x a week. Additionally, I take anastrozole 2 x a week. My lab work came back and my levels are as follows: Total test: 317 Free Test: 7.3 Estrogen: 2.9 SHGB: 24.2 I am...
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    New Here - New to TRT

    Hey whats up everyone. First off - I just want to say thank you for the wealth of knowledge that is here. It is amazing to read all of the information and the openness this group provides. Why Am I HERE? I am 31 years old and over the last couple years I have been noticing a big decline in...
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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