testosterone application sites

  1. S

    trans scrotal application working

    After seeing an earlier post here about trans scrotal application I decided to try it myself. So far it seems to be working. I have been doing it for about two months now. my testosterone went from about 280 to 441. I am 65. while I still dont have morning wood every day, I at least have urges...
  2. M

    Testosterone Gel/Cream applied to scalp?

    I've been on TRT for nearly 10 years. In the past year I've had to switch from injections to a gel, because of problems with elevated hematocrit. I'm finding very poor absorption of androgel through the skin on my shoulders. I've read about good results people are getting with non-alcohol based...
  3. A

    Non scrotal application of cream?

    Hey guys! Does anyone here use testosterone cream on a different place then the scrotum and is having succes ? If yes, what is your dose and where do you apply? And what numbers do you achieve? So im talking only about the cream, NOT the gel.
  4. R

    Topical Application Sites and Absorption Questions...

    I've been applying my topical to my forearms for about 10 years now. I have 15.2% body fat and the skin is fairly thin there. However, I am wondering: Can the receptor sites in the dermis in that area could be getting "fatigued" over the course of all these years leading to a lower absorption...
  5. Nelson Vergel

    Applying testosterone gel on four sites increased T more than using one site

    They chose to apply on left and right arms/shoulders and left and right abdomen. Product used was Androgel 1%. Pharmacokinetics of Transdermal Testosterone Gel in Hypogonadal Men: Application of Gel at One Site Versus Four Sites: A General Clinical Research Center Study* C. WANG, N. BERMAN...
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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