androgens; aging; functional exercise training

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  1. N

    3am erections and awake... Battling to sleep vs training at this hour to make muscle gains?

    I wake up with an erection at 3am every morning, rock hard.. Usually have to masturbate to get some sleep.. Would i be better off training at this testosterone peak at 3am or battling to get back to sleep and ignore it and continue to train around mid morning or evenings... 49 year old male on...
  2. madman

    Androgens & SARMs for age-related limitations & chronic diseases

    Testosterone, other androgens, and selective androgen receptor modulators (SARMs) are being developed to treat age-related functional limitations and chronic diseases. Testosterone treatment increases lean body mass, muscle strength, power, aerobic capacity, and mobility in various populations...
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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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