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    Subcutaneous Administration of Testosterone

    Is this because of the higher probability of hitting blood vessels, nerves, etc and would be more prone to operator error? When injecting into your naval, how might you know that you are going more into muscle vs fat, which I assume is where the higher probability of negative reactions occur...
  2. N

    Do I have adrenal insufficiency?

    Awesome. I'd guess that I've been near secondary hypopituitary for a while (my testosterone, LH, TSH is bottom normal) and I guess subclinical hypopit would be called "Adrenal Fatigue". I got my recent labs back this week and it showed that I have low range FT4 and high range T3. I'm not sure...
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    New Sub Q Site

    Nelson, first thank you. I've been looking for needles exactly like that. Second, I've always heard definitely not to inject both T and HcG in the same needle as one is water soluble and the other is oil based and not good to try to mix?
  4. N

    Testicular ache and lowered semen on HCG

    I tried HCG for a week (3x @ about 275iu) and after each shot I noticed more aching and less and less semen loads. Maybe made my testicles shrink (I never felt they shrank before this). This is atypical to everything that I have heard and read. I have been on TRT for over 3 months (started out...
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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