scrotal testosterone

  1. P

    How to transition from injections to cream?

    What is the correct protocol to transition from cypionate injections to cream? I am taking 60mg e3d of cyp currently and would like to switch to 50mg of cream to the scrotum daily. I am due for my next shot tomorrow. Should I start with 25mg per day for a week and then up to 50 or is there a...
  2. C

    NO MORE AI !!! FEELING AMAZING!

    I wanted to share my experience because it has been an absolute game changer for me as far as my TRT is concerned. I was diagnosed with low T about 18 months ago and have been trying to get "dialed in" for a while. I learned about shbg, tracking my sensitive e2, the half lives of different...
  3. J

    Testosterone... Scrotal application... timing... energy

    Physiologically, is there an optimal time of the day or evening to apply testosterone, scrotally, assuming once a day? If I work out at the gym at 9-9:30AM, and apply the testosterone at noon, what will my energy level be like at 9AM-9:30AM considering it would be ~21 hours since my last...
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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