Nelson Vergel

Tirzepatide Dosing For Weight Loss
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Tirzepatide Dosing for Weight Loss: A Guide Tirzepatide is a big deal in weight management pharmacology. As a dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptor agonist, tirzepatide has worked...

Anabolic Steroids: If MDs Don't Ask, Patients Won't Tell

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This Medscape article mentions Dr O'Connor, me and others. Before he attended medical school, Thomas O'Connor, MD, had a not-very-well-kept secret: As a competitive powerlifter, he had used steroids to build strength. Dr Thomas O'Connor Now...
Anavar (Oxandrolone) Blood Levels Increased by Caffeine
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Caffeine has been found to significantly increase the bioavailability and excretion of oxandrolone, an anabolic steroid, with studies showing a 15-fold increase in maximum excretion rates when the two substances are combined. While this...
Testosterone Products: Oral, Transdermal, Injectable, and More
Antioxidants for the treatment of male infertility: an overview
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Almost 15% of all couples trying to conceive are affected by infertility, and in almost half of these cases male infertility is the sole or a contributing factor.1 Male infertility can have several causes. The most common is idiopathic...
29 Medications That May Cause Adverse Interactions with Thyroid Drugs
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The thyroid medication levothyroxine (LEVO-T, LEVOXYL, NOVOTHYROX, SYNTHROID, THYRO-TABS, UNITHROID) is used to treat hypothyroidism, an endocrine disorder resulting from a thyroid homone deficiency that affects about 4.6 percent of the U.S...
All About Oxandrolone
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The following content comes from the book "Anabolics 2010" Oxandrolone: An Overview Description Oxandrolone is an oral anabolic steroid derived from dihydrotestosterone. It was designed to have a strong separation of anabolic and androgenic...
Pregnenolone Supplementation in Men: Experiences and Dosage Considerations
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Users on ExcelMale.com shared their experience with pregnenolone supplementation, providing insights into dosage and effects. Here's a summary of the key points: Dosage and Effects Optimal Dose: The user found benefits at 100mg, including...
Nandrolone Use in Testosterone Replacement Therapy: Insights from ExcelMale.com Discussions
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Comprehensive Analysis of Nandrolone Use in Testosterone Replacement Therapy: Insights from ExcelMale.com Discussions Nandrolone, a synthetic anabolic-androgenic steroid, has garnered significant attention within the ExcelMale.com community as an...
Low Dose Nandrolone Improves Recovery After Knee Replacement Surgery
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Review of the Study: Anabolic Steroids After Total Knee Arthroplasty Introduction Total knee arthroplasty (TKA) is a common and effective procedure for managing end-stage osteoarthritis, but post-surgical rehabilitation remains a challenge...
Clinical Uses of FDA-Approved Anabolic-Androgenic Steroids (AAS)
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https://www.slideshare.net/nelsonvergel/clinical-uses-of-fdaapproved-anabolicandrogenic-steroids-aas Here are the FDA-approved label indications for the anabolic steroids nandrolone, oxandrolone, stanozolol, and oxymetholone: Nandrolone...
Anabolic/Androgenic Hormone Prescribing Indications
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Nandrolone Decanoate Presentation: Injectable (IM-Depot) 100mg/mL; 200mg/mL X 10mL Common dose range: 25mg qw- 400mg qw (or q month) Active-life: 7-10 days post injection Treatment and Indication: Nandrolone was FDA approved in 1983 for...
TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

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

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