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  1. J

    Dehydroepiandrosterone (DHEA) Supplementation Can Increase Estradiol in Elderly Men

    If I want to really KILL my sex drive, I just start taking DHEA and preg daily. That will do it.
  2. J

    Subcutaneous Administration of Testosterone

    Dr. Crisler, I am still confused regarding your general thoughts on overcoming SHBG. Seems to me an application for an agent like Proviron (not avail. in U.S.) or DHT. With possible complications for lipid levels like anti-estrogens.
  3. J

    Subcutaneous Administration of Testosterone

    I think Nelson's point about treatment simplification is an unfortunate commentary on the level of effort most of the population is willing or able to put forth. Which doesn't make it right. But that's the reality. That's why pills and gels, etc. rule the day. Workout? Eat right? Really?
  4. J

    prolactin too high?

    I just wanted to mention that there are studies showing vit B6 , if I recall in the 100mg range, as effective to reduce prolactin levels. Might be worth checking on pubmed
  5. J

    Gene's Nitric Oxide Stack

    Which brand of horny goat weed do you favor?
  6. J

    Gene's Nitric Oxide Stack

    Which brand of horny goat weed do you favor?
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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