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  1. M

    Testosterone Cypionate and Nandrolone Decanoate

    @George9 That is quite impressive. It reads as if you have been using both medications consistently for two years straight. Am I understanding correctly? May I ask how you choose to administer your shots? Daily, weekly etc? It was suggested that one could draw both medications into the same shot...
  2. M

    Testosterone Cypionate and Nandrolone Decanoate

    Hi Gman86, Thanks for the reply, and especially for the anecdotes. You are right, they are all over the place, which is to be expected given the wide range of ratios people are using. It has been suggested by my provider that I use .12 Ml of 200 mg Nandrolone three times a week, on top of my...
  3. M

    Testosterone Cypionate and Nandrolone Decanoate

    Hello, I'm writing this post to gather opinion and insight from others on a similar path. I've been prescribed Testosterone for two years. Due to various reasons, adding Nandrolone Decanoate as an adjunct has been suggested by my provider. Although I will follow my doctors advice, I wonder how...
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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