Thyroid

Natural Thyroid Medicine Under Threat by the FDA: DTE And Your Options

Sep 16

The FDA just made a decision that could strip away affordable thyroid treatment for thousands of Americans - without public input, without proper science, and based on a petition from a drug company that wants a monopoly. This affects YOU if...

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Thyroid Tests and What They Mean

Aug 26

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Thyroid Blood Tests and What They Mean Your thyroid gland is a small, butterfly-shaped gland in your neck that plays a big role in controlling your energy, metabolism, and overall health. When the thyroid is not working properly, you may develop...

Blood Tests Fatigue Hormones Men's Health Thyroid Women's Health

Compounded Hormone Products for Men: A Review by Shaun Noorian

Jan 07

In this conversation, Nelson Vergel and Shaun Noorian discuss the various options available for men's hormonal treatments, focusing on hormone replacement therapy, the role of compounding pharmacies, and the importance of personalized medicine...

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Beyond Testosterone: The Illustrated Guide is Now on Amazon

Oct 24

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"Beyond Testosterone" is a comprehensive 427-page guide authored by Nelson Vergel, a seasoned expert in the realm of hormone therapy. With a vibrant full-color layout and extensive illustrations, this book stands as an essential resource for both...

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Thyroid disorders and male sexual dysfunction

Aug 15

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Though early research suggested that thyroid hormones were not involved with the testes, male spermatogenesis, or erectile function, investigations on this topic over the past few decades have increased and shed new light. A literature review of...

Erectile Dysfunction Sex drive Thyroid

Diagnosing thyroid disease: pitfalls and improvement in laboratory measurements

Jul 08

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https://research.vu.nl/en/publications/diagnosing-thyroid-disease-pitfalls-and-improvement-in-laboratory Abstract The aim of this thesis was to evaluate and improve laboratory measurements in diagnosing thyroid disease. This thesis demonstrates...

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Management of Male Fertility in Hypogonadal Patients on TRT

Feb 25

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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...

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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