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  1. Culpepper BL

    Blood

    Hi Gene, I only inject every 2 weeks, but I have not been alternating sites, which I didn't deem necessary since I do inject every 2 weeks. I may in the future decide to break it down to a couple injections a week but haven't been experiencing any "roller coaster" effect going every 2 weeks...
  2. Culpepper BL

    Blood

    Yes Yes, was the glutes, and for a newbie like me was a bit "scary," I was anticipating a coughing attack..but like I said, I did aspirate and didn't draw any blood. I will do my best not to inject at that site again, but I do like injecting into the legs. I may start to consider other...
  3. Culpepper BL

    Blood

    I made a 200mg cypionate injection yesterday, aspirated, drew no blood and injected. When I pulled the syringe out a bunch of blood came out..fortunately I had a bunch of clean papwertowels nearby. I've only been on TRT for a couple months now (levels now at normal :)), and this was a first...
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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