TRT

How to Predict Estradiol and DHT at Different Testosterone Doses

Jan 24

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I was able to come up with a table using the predictive model equation derived from data in this study: The Effects of Injected Testosterone Dose and Age on the Conversion of Testosterone to Estradiol and Dihydrotestosterone in Young and Older...

Blood Tests Estradiol Testosterone side effects TRT TRT blood tests

Does Testosterone Cause Prostate Cancer? Can Men Treated for Prostate Cancer Use TRT?

Jan 24

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This is an excerpt from my book Ensuring Prostate Health—No Link Found Between Androgen Levels and Risk for Prostate Cancer The prostate is a gland that is part of the male reproductive system. Its function is to store and secrete a slightly...

Testosterone side effects TRT

Managing Hair Loss: Comprehensive Review

Jan 18

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A review discusses various treatments for androgenetic alopecia (AGA), the most common cause of hair loss. Traditional methods like minoxidil and finasteride have mixed results. Newer treatments, such as low-level laser therapy (LLLT)...

Hair loss Testosterone side effects TRT

TRT Side Effects: How to Prevent or Reverse Them

Jan 15

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This video discusses testosterone replacement therapy and its side effects. It covers various side effects such as high blood pressure, testicular shrinkage, fertility issues, and increased hematocrit levels. It also dispels myths about liver...

Testosterone Testosterone side effects TRT

Oral TRT Products: Jatenzo, Tlando, Kyzatrex, & DITEST (native T)

Jan 12

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Testosterone Replacement Therapy: A Narrative Review with a Focus on New Oral Formulations (2022) Salman Z Bhat and Adrian S Dobs Male hypogonadism affects 10–30% of the male population and is often under-recognized and under-treated...

Testosterone TRT

How to Treat Acne Caused by Testosterone Therapy

Jan 08

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Testosterone replacement therapy (TRT) is the prescribed treatment for men with low testosterone levels. It has become a widespread treatment--as many as 11 million men were undergoing TRT in 2013, a number that has grown significantly since...

Testosterone Testosterone side effects TRT

Testosterone Level: How Low is Too Low? Health Consequences of Low Testosterone

Jan 03

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I was able to summarize all available studies on testosterone blood levels and how they are linked to several health issues. I will add references soon. Low Blood Levels of Testosterone and Associated Risks: < 450 ng/dl (15.3 nmol/l) -...

Health & Wellness Testosterone TRT

Trans scrotal testosterone cream application is a game changer

Sep 26

80,176
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So I was on injections of Testosterone cyp for almost 4 years before switching over to scrotal testosterone cream application. Let me tell you it has been absolutely amazing how much better I feel on the cream verses the injections. I dose it at...

Testosterone TRT

Starting testosterone next week. What should I expect?

Sep 18

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Starting testosterone next week. What should I expect? Nelson, I know you wrote the book "Testosterone: A Man's Guide". I was diagnosed with low testosterone and do not know if I should do injections or gels. Also, what should I expect when it...

Men's Health Muscle Gain Sex drive Testosterone Testosterone side effects TRT TRT blood tests

TRT Hormone Predictor Widget

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