testosterone muscle gain

  1. K

    Testosterone dosage

    I started taking testosterone with medical supervision cause suddenly I couldn't get hard enough I'm 56 years at the same I wanted to gain muscle cause I work out a lot, I started with 125 mg once a week and every week I goes higher I haven't been noticing any improvement I'm now on 180 mg a...
  2. B

    Dosing Questions

    I think I've totally screwed up and I think I'm over dosing, and need some advice. 60 year old man - workout 6-7 days a week and very clean diet. Can't seem to drop body fat, even with 50 to 60 min of fasted cardio 6 times per week and weights 6 to 7 days a week. Test dosing has been .75...
  3. Nelson Vergel

    Testosterone and weight loss: the evidence

    "One may argue that testosterone therapy has been around for more than 75 years and no data have been reported on the effects of testosterone on weight loss, until recently. So, why now and how could this be explained? Several key reasons explain this deficit in the literature. First, most...
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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