Testosterone

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...
Do statins decrease testosterone in men?
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https://intbrazjurol.com.br/vol-numbers-41-50/vol-50-n-02-2024/ 119 | Do statins decrease testosterone in men? Systematic review and meta-analysis Felipe Placco Araujo Glina, Leonardo Lopes, Rodrigo Spinola e Silva, Eduardo Augusto Correa...
Testosterone and Depression Symptoms in Aging Men
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Although the sole unequivocal indication for testosterone treatment is replacement therapy for male hypogonadism, off-label testosterone prescribing for aging men without pathologic hypogonadism rose dramatically (100-fold) over recent decades...
High Testosterone Blood Levels May Increase Mortality
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https://academic.oup.com/jsm/article/21/Supplement_1/qdae001.281/7600971 Abstract Introduction The benefits and risks of testosterone therapy (TT) have been a subject of long-standing debate. The recent TRAVERSE trial demonstrated that men...
Management of Male Fertility in Hypogonadal Patients on TRT
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Abstract Testosterone is crucial in regulating several body functions in men, including metabolic, sexual, and cardiovascular functions, bone and muscle mass, and mental health. Therefore, optimizing testosterone levels in men is an important...
What is the testosterone dose for muscle gain?
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Some of the guys I work out with know that i inject T. It has come up why then do I not put on more gains, I do heavy rssitance training and little cardio. I explained that I am on a theraputic dose. Shoot I take a paltry 30 mg twice a week...

Testosterone Controversies and Myths- Lecture by Dr. Mohit Khera

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00:29 Testosterone therapy controversies include cardiovascular risk, deep vein thrombosis (DVT), prostate cancer, and benign prostatic hyperplasia (BPH). 01:30 Concerns arise from the misuse of testosterone, with a significant percentage of...

Evaluation of Androgen Receptor Signaling and Saturation in ED

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https://academic.oup.com/jsm/article/21/Supplement_1/qdae001.238/7600649 Abstract Introduction Testosterone (T) is a steroid hormone responsible for the development and maintenance of male secondary sex characteristics. T exerts this...
Most Patients Liked Being Switched to Subcutaneous Testosterone Injections
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Early Experience with Subcutaneous Injection of Non-Proprietary Testosterone as an Alternative Approach for Testosterone Replacement (2022) KAlter, DRoadman, CAmarasekera, LLevine Introduction Testosterone replacement therapy (TRT) has been...
Subcutaneous Testosterone Pellet Implantation Procedure for Treatment of Low Testosterone
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The patient is placed in the lateral jackknife or fetal position. Implantation occurs in the upper outer quadrant of the posterior gluteal region. The skin is marked 3 cm below the halfway mark between the iliac crest and sacroiliac joint in a...
Men's Health History - The Story of Testosterone
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Join hosts Kevin Chu and Justin Dubin as they dive deep into the world of testosterone featuring Dr. Abraham Morgentaler, the esteemed founder and director of Men's Health Boston. With over 170 scientific articles published on testosterone...
Oral Testosterone Replacement Therapy
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Oral Testosterone Replacement Therapy: What’s Available and What Took so Long? Introduction The field of testosterone replacement therapy (TRT) has witnessed remarkable growth and demand in recent years. While injectable and topical forms...
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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