Fatigue

Sleep Supplements Used by Chronic Fatigue Patients: Results from Survey
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Good sleep goes a long way to getting better and sometimes supplements and herbs can help. Check out what FM and ME/CFS patients said about supplements, herbs and over the counter drugs that helped them sleep. (Add your suggestions in the comment...

MIF-1 (and other peptides) for Anhedonia/Depression

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Thought I would start a discussion about this awesome lesser known peptide, yet one of the peptides with quite a few actual human studies behind it. So I'll start with my experience before getting to the science: I have done a few cycles (they...
Diagnosis and Management of Obstructive Sleep Apnea
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Diagnosis and Management of Obstructive Sleep Apnea A Review (2020) Daniel J. Gottlieb, MD, MPH; Naresh M. Punjabi, MD, PhD IMPORTANCE Obstructive sleep apnea (OSA) affects 17% of women and 34% of men in the US and has a similar prevalence in...
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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