testosterone studies

  1. Nelson Vergel

    Testosterone: Latest Studies from the Endocrine Society's 2019 Conference

    SUN-227 Monitoring Testosterone (T) Levels in Men Receiving OralTestosterone Undecanoate (TU): Challenges Due to Post-Collection Conversion of TU-to-T and a … R Swerdloff, C Wang, J Longstreth, R Dudley, T Danoff - Journal of the Endocrine …, 2019 Introduction: Measuring T levels, in addition to...
  2. Nelson Vergel

    Testosterone and Related Studies Looking for Patients

    Rank Status Study 1 Recruiting Anabolic and Inflammatory Responses to Short-Term Testosterone Administration in Older Men Condition: Sarcopenia Interventions: Drug: Testosterone injection; Drug: Testosterone gel 2 Recruiting Testosterone for Penile Rehab After Radical Prostatectomy...
  3. Excel Male

    Testosterone Replacement Helps Heal Inside of Blood Vessels

    Link Removed Circulating endothelial progenitor cells (EPCs) are bone marrow-derived cells required for endothelial repair. A low EPC number can be considered as an independent predictor of endothelial dysfunction and future cardiovascular events. Recent evidence shows that patients with...
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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