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  1. H

    Exogenous Testosterone and Alcohol

    If you do a Google search on "How to Raise Testosterone Naturally" or even casually follow any bodybuilding sites, you'll note that the articles all recommend limiting alcohol intake because it allegedly affects testosterone levels (i.e., lowers test production). Assuming for the sake of...
  2. H

    Why is 200 mg/wk the "upper limit" for TRT?

    I keep seeing people post that 200 mg/wk of test propionate is the upper range for TRT and that anything more than that constitutes AAS levels, with the implication that if you go higher you are abusing the protocol. Why is that, exactly? I'm a pretty big guy (235, just under 6'), and I feel...
  3. H

    Androgel & DMSO

    Does anyone have any experience using DMSO with Androgel to improve absorption? I've read three or four threads on t-nation and related forums discussing DMSO's ability as a transport agent to dramatically increase absorption rates. Anecdotally, some posters claim they've gotten their total T...
  4. H

    2 Months After Starting TRT

    Been lurking for a while now and thought I'd introduce myself. I'm 49, live in in South Orange County, and have historically been pretty active -- lifting weights 2-3 times a week, running 2-3 times a week, golfing on the weekends, walking the dogs for an hour every morning, etc. In the last...
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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