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I am 63 and in very good shape. 170lb 5'10" 32" waist, 40" chest no big muscles but definitely still beach worthy.


In August 16 my MD, after an annual physical noted my testosterone was at 292 on a range of 300-598 for my age.


for 4 months she put me on 1ml/200mg of test cyp per month (yeh, I know). In Nov 16 just before 4th shot, blood was drawn, all my blood numbers (dozens of them) were within range but my T was 300. She doubled the dose to 2ml/400 mg once a month.this month I went in for blood work three weeks after my last 2ml shot, my blood work again was within range, but my T was 182. I decided it was time to be my own doctor.


since last week I've learnt that the ridiculous 1 a month routine caused my T level to crash (presumably becaus my body has slowed way down on Testosterne manufacture).After speaking with urology, her plan was to half the existing prescription, and have me take 1/ml 200mg every two weeks. I was not pleased.


By some freak occurrence my MD's certified medical assistant , or maybe Nurse practitioner, accidentally wrote a prescription for 2ml/400 mg every TWO weeks.


I was delighted with this error, and I intended to follow this regime. But after reading info on here, I have decided to inject 1ml/200 mg weekly. I believe my MD is not only clueless when it comes to frequency of injections, I think she has been over cautious in getting me up to my T goal which is about 450 (middle of the range for my age). Please give me your opinions on my plans, and also, if I get lazy and only pull a needle out every two weeks (2ml/400mg) are the spikes I will feel harmful to my health, or is it just an E Ticket ride? I actually enjoyed the rocket launch the other day, having T that was probably 140ish by the time I got my shot of 2ml.


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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