TRT blood tests

Understanding the Variations of LH, FSH, and Testosterone: Implications for Diagnostic Accuracy
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Understanding the Variations of Reproductive Hormones: Implications for Diagnostic Accuracy Reproductive hormones play a crucial role in the functioning of the human body, influencing various physiological processes and reproductive health...

TRT and Cardiovascular Disease

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Testosterone replacement therapy and cardiovascular disease (2022) Jeremy M. Auerbach and Mohit Khera The use of testosterone therapy has a complex history of apprehension and questions regarding its safety. Despite an eventual consensus that...

The Evaluation and Management of Testosterone Deficiency AUA Guideline

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Understanding the Impact of Testosterone Therapy on Various Health Conditions Testosterone therapy is a common treatment used to address various medical conditions, but its effects are complex and can vary depending on multiple factors. Here's a...
Pre-Testosterone Therapy Checklist
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Click here for: PRE-TRT LAB TESTS The Pre-Testosterone Therapy Checklist (2022) Jose M. Flores, MD, MHA, and John P. Mulhall, MD, MSc, FECSM, FACS, FRCSI INTRODUCTION In contemporary practice, there are a myriad of testosterone therapy (TTH)...
Deciphering Options for TRT and Managing Withdrawal
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https://grandroundsinurology.com/deciphering-options-for-testosterone-replacement-therapy-and-managing-withdrawal/ Jesse N. Mills, MD, discusses the importance of testosterone replacement therapy and presents an algorithm for determining...
New Atrevis Hydrogel Based Testosterone Cream from Empower: Surprising Results!
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After a month of using the new hydrogel cream from Empower Pharmacy at 1 ml per day (4 clicks of 0.25 mg each) my testosterone increased dramatically higher than it was even on 200 mg per week of injectable testosterone cypionate. and this...
Oral/Sublingual Testosterone for Men
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00:19 Background and History of Testosterone Historical overview of testosterone use, including ancient practices. Evolution of testosterone research and discovery from ancient times to the 1930s. Introduction of testosterone pellets...
The Most Effective TRT Protocols for High-Performing Men
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41:48-52:44 (DHT and estradiol) The medical landscape of testosterone replacement therapy is shrouded in mixed opinions and, much more seriously, in misconceptions… That’s why I sought out the man who is widely known and internationally...
High Testosterone Levels: Impact on the Heart
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Abstract Testosterone, the main endogenous active androgen, is used to treat many clinical conditions, such as hypogonadism, infertility, erectile dysfunction, osteoporosis, anemia, and in transgender therapy (female-to-male transsexuals)...
Impact of TRT on Adverse Cardiovascular Events in Men with Low Testostosterone: Evaluation of Physiological and Supraphysiological T Levels
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https://academic.oup.com/jsm/article/21/Supplement_1/qdae001.084/7600775 Abstract Introduction Sustained treatment with elevated levels of exogenous testosterone (T) has been linked to various adverse events, particularly concerning...
Testosterone Therapy and the Risk of Cardiovascular Disease
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Abstract The debate over the cardiovascular (CV) implications of testosterone therapy (TT) have resulted in diverging safety recommendations and clinical guidelines worldwide. This narrative review synthesizes and critically evaluates long-term...

Testosterone as a Fasting Blood Test?

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Martin M. Miner, MD, and Mark M. Moyad, MD, MPH, discuss recent guidance suggesting that a fasting blood test is needed for testosterone. 00:44 Endocrine Society guidelines recommend fasting morning total testosterone for accuracy in diagnosing...
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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