Blood Tests

Minimizing Erythrocytosis during TRT (Daily injectable Testosterone vs. Gels vs. Kyzatrex)

Jan 19

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All, I react very badly to injectable T (56 hematocrit @ 100 mg split 3x per week SubQ). My ferritin suffers greatly here and sits in the 20's to low 30's. I want it to be above 70. Testosterone have given me a severe case of periodic limb...

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Testosterone/Estradiol Ratio: The Hidden Key to Low Libido in Men with Sexual Dysfunction?

Jan 07

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Poster 149: Testosterone/Estradiol Ratio and Low Libido in Men with Sexual Dysfunction Title TESTOSTERONE: ESTRADIOL RATIO A STEP FORWARD TOWARDS THE UNDERSTANDING OF LOW LIBIDO IN MEN WITH SEXUAL DYSFUNCTION Authors Rodrigo Freddi, Rubens...

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Iron Supplements: How to get the most benefits without feeling sick

Jan 04

Have you tested your iron levels lately? Are you currently taking iron? Are you taking it every day? (spoiler alert: you don't want to take iron every day!) Iron may be a standard, almost boring supplement to think about, but having adequate...

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Emerging data and advances in prostate cancer screening

Jan 03

In this 9-minute presentation, Sigrid Carlsson, MD, PhD, MPH, Memorial Sloan-Kettering Cancer Center, New York, New York, reviews groundbreaking advancements in prostate cancer screening and data from the past year. [/URL] Advances in Prostate...

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Updates on Testosterone Deficiency in Men Living With HIV and the Cardiovascular Implications

Dec 27

Fig. 1 Proposed mechanism of testosterone and HIV on the systemic vasculature. This figure exemplifies the similarities of both TD and HIV on the vascular system and therefore the potential to enhance CVD risk. Both conditions lead to vessel...

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Estradiol Testing in Men

Dec 25

https://myadlm.org/advocacy-and-outreach/optimal-testing-guide-to-lab-test-utilization/a-f/estradiol-testing-in-men Estradiol in Men: Optimal Testing Recommendations Measurement of estradiol in men (and children) should be performed by a...

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Growing Role of Lp(a) in Cardiovascular Risk Assessment

Dec 25

* Lp(a), a low-density lipoprotein (LDL)-like particle with an apo(a) attached to apoB molecule, is now recognized as a potent genetic risk factor, with levels above 50 mg/dL (125 nmol/L) linked to cardiovascular complications, including...

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Iron Deficiency Without Anemia – Common, Important, Neglected

Dec 23

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Iron Deficiency Without Anemia – Common, Important, Neglected (2019) Esa Soppi* Department of internal medicine, Eira Hospital, Laivurinkatu 29, FI-00150 Helsinki, Finland Abstract A serum ferritin concentration of <30 µg/L is the most...

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THE IMPORTANCE OF ACCURATE HORMONE TESTS

Dec 18

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https://www.hormoneassays.org/ Watch our video to learn about the importance of accurate hormone testing. Tests to measure the level of a specific hormone in the body are the third most common diagnostic in medicine today yet some current...

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Dr. Larry Lipshultz - Urologist and Testosterone Therapy Expert in Houston

Nov 12

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My guest today is one of the country’s most respected medical experts on TRT, otherwise known as testosterone replacement therapy. He’s an authority in using testosterone to help males improve muscle tone and strength, and enjoy more energy and...

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Testosterone Q&A | Dr Louise Newson- Women's HRT Doctor in the UK

Nov 10

In her latest Instagram Live, Dr Louise Newson answers questions about testosterone. Introduction Today, I’ll be discussing testosterone. Although I’ve already covered this topic in a previous Instagram Live, which is available on my YouTube...

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Testosterone Therapy in Canada

Nov 08

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@Marcel https://www.excelmale.com/forum/threads/the-dea-wants-to-limit-your-access-to-trt-telemedicine.27274/page-6 We have always been far worse off than the US when it comes to the treatment of men for testosterone deficiency. Although...

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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