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  1. P

    Ran out of T before end of month

    Thank you, Nelson. My testosterone is covered under my health insurance. Do you know if it will still be covered if I use the compounding pharmacy you recommended in your reply? Thanks again!
  2. P

    Ran out of T before end of month

    Hi, 3 weeks ago I started T cyp injections 50mg twice a week. Since I live in NY, testosterone is a controlled substance and the pharmacy couldn't give me more than a month's supply. This morning was the first injection of the 4th week, and I didn't get my full dose (.15 ml instead of .25 ml)...
  3. P

    Testosterone leaking from injection site

    Thanks for your responses, captq and Vince. I'm going to go back to the pharmacy and have them replace the 3/8" needles that they gave me with the 1/2" that were prescribed.
  4. P

    Testosterone leaking from injection site

    Thank you for replying, Gene. I will definitely check out those videos. Phil
  5. P

    Testosterone leaking from injection site

    Thanks for your reply, Nelson. I'm not using HCG yet, but I am planning to discuss it with my doctor after my first set of follow-up labs. Do you think the 3/8-inch needle is long enough for the T injections into the shoulder? Or should I buy 1/2-inch needles from the sites you suggest at the...
  6. P

    Testosterone leaking from injection site

    Hi, I just started T injections last night. I used Nelson's HCG/T protocol without the HCG: 50 mg at 90 degrees in the shoulder with an insulin syringe. The only difference is that although I asked for and my doctor prescribed 27 gauge, 1/2-inch syringes, the pharmacy gave me 26 gauge, 3/8-inch...
  7. P

    Upcoming Google Hangout: TRT Controversies and Solutions

    Nelson, I'm a new member in the forum, but I have your book and it is extremely informative. Thank you for all that you do to educate us in the area of TRT. The Google Hangout was great--thanks for posting for those of us that couldn't watch it live. I started Axiron in November but I wasn't...
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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