Nelson Vergel

Factors that Can Improve Testosterone Gel Absorption
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Most absorption of testosterone in testosterone gels happens during the first 4 hours. The 1.62 % Androgel package insert says this about showering after testosterone gel application and using moisturizers/sun block: "Effect of showering In a...
Pregnenolone and Progesterone for Men: Pharmacokinetics and Studies
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Pharmacology of pregnenolone and progesterone: "Oral administration of 50 or 100 mg pregnenolone has been found to have minimal or negligible effect on urinary levels of testosterone and testosterone metabolites, including of androsterone...
US Federal and State Regulations on Testosterone and HCG
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Table of Contents Testosterone is a controlled substance in the US, specifically a Schedule-III controlled substance (in all but one State), and this includes any form of testosterone including injectable, transdermal, patches, pellets, and...
FDA-Approved Oral Testosterone: Jatenzo (Testosterone Undecanoate)
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The U.S. Food and Drug Administration today approved Jatenzo (testosterone undecanoate), an oral testosterone capsule to treat men with certain forms of hypogonadism. These men have low testosterone levels due to specific medical conditions, such...
Hypothyroidism: Facts, Interactions and Resources
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Hypothyroidism and Hyperthyroidism Hypothyroidism and hyperthyroidism are two common thyroid disorders that can be detected through thyroid function tests. Hypothyroidism: Hypothyroidism occurs when the thyroid gland does not produce enough...
Effect of Estradiol on Men's Libido
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Table of Contents Video: Increased Estradiol Improved Sex Drive in Men Estradiol in Men: Background Sex Steroids and the Male Libido Effect of Testosterone and Estradiol on Men's Libido: Low Estradiol and Fat Gain: Surprising Results High...
Nandrolone (Deca Durabolin) Studies in Humans
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A Randomized, Placebo-Controlled Trial of Nandrolone Decanoate in Human Immunodeficiency Virus-Infected Men with Mild to Moderate Weight Loss with Recombinant Human Growth Hormone as Active Reference Treatment . by Storer, Thomas W; Woodhouse...
What is a Normal Blood Level of Testosterone? What Do Guidelines Say?
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Normal values may vary from lab to lab depending on what reference range they use. Depending on the country, ranges are in nanograms per deciliter (usually in the United States) or nanomoles per liter (Europe and other countries). The conversion...
Most Testosterone Booster Reviews on Amazon are Fake
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Testosterone Imposters: An Analysis of Popular Online Testosterone Boosting Supplements Abstract Introduction Testosterone-boosting supplements (T-Boosters) are prominently featured on Amazon.com, with numerous dedicated pages and claims that...
Sex Hormone Binding Globulin (SHBG): Is It Good or Bad?
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Table of Contents SHBG and the Free Testosterone Relationship What Causes High SHBG? Other factors that can contribute to high SHBG include: Get Your Levels Checked: SHBG Test, Free & Total Testosterone Test How to Lower SHBG Levels: Very Low...
How to Predict Estradiol and DHT at Different Testosterone Doses
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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...
Does Testosterone Cause Prostate Cancer? Can Men Treated for Prostate Cancer Use TRT?
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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...

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