Supplements

The Effects of Creatine Supplementation
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This is a meta-analysis so quite a few studies were combines. The authors found that creatine supplementation showed a beneficial effect for hypertrophy when compared to placebo. However, the size of the benefit was relatively small (0.11)...

Men: What has been your experience with progesterone?

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Sorry, I know there are a ton of other threads on progesterone, but seems like a lot of them get derailed and you have to filter through like 12 pages of comments and studies people posted. I just want to know straight up, what has been your...
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...
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...
Mitochondrial Health: A key to Aging & Recovering Well- Urolithin A Supplement
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Prof. Stuart Phillips, Ph.D. (McMaster University) ‘Mitochondrial Health: A key to Aging & Recovering Well' presentation at the American College of Sports Medicine (ACSM) annual meeting 2022. 2:40 - Sarcopenia: the age-related decline in muscle...
Mitochondrial Mastery: Supplements, Exercise & Longevity Insights
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From my neck of the woods. Dr. Mark Tarnopolsky is a world-renowned expert in mitochondrial health, muscle function, and ageing science. As a clinician-scientist at McMaster University, he has dedicated his career to understanding how...
Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?
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ABSTRACT Creatine monohydrate supplementation (CrM) is a safe and effective intervention for improving certain aspects of sport, exercise performance, and health across the lifespan. Despite its evidence-based pedigree, several questions and...
Do Male Fertility Supplements Really Work?
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In this episode, hosts Dr. Kevin Chu and Dr. Justin Dubin engage in an insightful discussion about the effectiveness of fertility supplements with expert Dr. Kian Asanad, a fellowship-trained men's health urologist at Keck Medicine of USC who...
Iron Supplements: How to get the most benefits without feeling sick
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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...
L-Citrulline and BeetRoot Supplement Improves Nighttime Erections
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* A Nitric Oxide boosting dietary supplement consisting of L-citrulline, Red Beet Root Extract, Ginseng, and Muira Puama increased the duration and intensity of nighttime erections but did not increase the number of erections in men. A Nitric...
"T-Up: Understanding Testosterone Boosting Supplements"
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In this episode, hosts Dr. Kevin Chu and Dr. Justin Dubin delve into the world of testosterone-boosting supplements with expert Dr. Geo Espinosa. As patients frequently inquire about these well-known supplements, the conversation aims to clarify...

Coenzyme Q10 supplementation

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Coenzyme Q10 supplementation: Efficacy, safety, and formulation challenges Abstract World population growth and aging are posing unprecedented challenges in sustaining the health of 9.1 billion people that will be occupying the planet by 2050...
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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