Nelson Vergel

Nelson Vergel

Founder, Excel Male Forum
Author: Books

Treatments for Men who Fail to Benefit from ED Medications

Oct 16

Table of Contents This is the best review I have seen on the subject. Abstract Phosphodiesterase type 5 inhibitors (PDE5-i) have become first-line therapy for the treatment of erectile dysfunction. Most initial prescriptions for PDE5-i are...

Benefits of Glycine Supplementation

Oct 16

Table of Contents General Information Glycine is, structurally, the simplest amino acid that has been discovered. It was one of the earliest amino acids to be isolated from gelatin back in 1820. Glycine is one of the nonessential amino acids...

Publix Grocery Stores to Provide Telemedicine Services

Oct 16

BayCare Health System and Publix Super Markets are pairing up in the fast-changing area of telemedicine. Their product: convenience, as in going to the doctor while you shop for groceries. What started as an experiment late last year at a...

Causes of male infertility: a 9-year prospective study on 1737 patients with reduced sperm counts

Oct 16

The primary cause of infertility was defined for 695 of 1737 patients (~40%). The analyzed causal factors could be divided into absolute (secondary hypogonadism, genetic causes, seminal tract obstruction), severe (oncological diseases, severe...

Testosterone replacement therapy and its effect on bone marrow

Oct 16

Table of Contents Abstract Introduction TRT in men with testosterone deficiency syndrome (TDS) had multiple positive effects and restore a quality of life of affected men. Polyglobulia is the most common dose-limiting adverse effect of TRT...

Can Testosterone Replacement Affect Kidneys?

Oct 16

Table of Contents A study done in rats showed that higher total and free testosterone blood levels produced by testosterone treatment were associated with higher creatinine and lower creatinine clearance (Effects of Testosterone Replacement...

Blood Tests Needed Before and During Testosterone Replacement Therapy

Oct 15

Table of Contents Proper monitoring of men on testosterone replacement therapy has been dictated by several medical guidelines groups. However, most of them fall short in guiding doctors on what to if different key variables are not optimal...

Priapism may be treated by going up and down stairs

Oct 15

Really? This is a first for me! It would be hard to convince me that this can work for Trimix-induced priapism. Priapism is characterized by persistent penile erection in the absence of sexual arousal or desire that does not subside with...

How to Inject Testosterone

Oct 15

Table of Contents In this video the folks from Defy Medical show how to safely inject testosterone in the The following information was taken from the book: Testosterone: A Man's Guide How to Inject Testosterone Safely Some men prefer...

Dr Abraham Morgentaler: Who is a Candidate for Testosterone Replacement Therapy?

Oct 15

By Abraham Morgentaler, M.D. There is consensus that candidates for treatment with Testosterone Replacement Therapy should have signs or symptoms of TESTOSTERONE DEFICIENCY combined with biochemical evidence of low T levels. The challenge...

Testosterone Therapeutic Options and Best Practices in Management

Oct 15

Table of Contents This excellent lecture is recommended for clinicians and educated patients. From largest urology conference in the world (2015) Transcription Speaker 1: So without further ado, I'd like to bring Dr John Mulhall to the...

Video: Testosterone Replacement Options

Oct 15

In theory testosterone replacement should approximate the body’s own natural production of the hormone. The average male produces 4 to 7 mg of testosterone a day with plasma levels in early morning and lower levels in the evening. Women produce...

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