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    Advice on changing protocal to 100 mg per week

    As always, thank you for the reply. I will start with 100 my every 7 days to see how it goes.
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    Advice on changing protocal to 100 mg per week

    Thank you for the advice. I was thinking that was likely the safest option.
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    Advice on changing protocal to 100 mg per week

    Hi all. Need a recommendation as to the timing of changing from a once every two week injection of 200 mg of Testosterone Cypionate to a 100 mg injection one time per week. I just started TRT and the doctor prescribed 200 mg every 14 days. I want to switch to 100 mg every 7 days and the...
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    New to Site - First TRT Appointment Soon

    Ok, I was getting concerned that I started testosterone injections right after I had my blood drawn. My doctor made the diagnosis of hypogonadism based off the 228 reading.
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    New to Site - First TRT Appointment Soon

    The reading of 228 was at around 3 and the reading of 400 was at 10:30 am.
  6. C

    New to Site - First TRT Appointment Soon

    As instructed by my doctor, I had blood draw prior to taking my first ever Testosterone injection. Received the results today and my Testosterone was 400. How can this be, it was 228 just over a month ago?
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    New to Site - First TRT Appointment Soon

    Thank you for the advice and I agree that it makes more sense to inject weekly instead or every 14 days. I made that recommendation to the Doc and he said that 200 mg every 14 days was the standard measure of care. To be perfectly honest, I was simply happy he was prescribing Testosterone...
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    New to Site - First TRT Appointment Soon

    Update: I saw a Urologist today and he reviewed all of my previous medical history to include my testosterone of 228. He noted that I had low T (hypogonadism) and that with my symptoms should begin Testosterone Therapy. He ordered additional tests prior to starting 200 MG of Testosterone...
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    New to Site - First TRT Appointment Soon

    Thank you for the advice. I will post lab results and prescribed protacal once I have a plan.
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    New to Site - First TRT Appointment Soon

    Thank you so much for the advice, it is greatly appreciated. I am doing as much research as I can prior to the appointment so I can ask well educated questions. I am hoping that I am finaly on the right track to feel normal again. You certainly do not appreciate good health until its gone.
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    New to Site - First TRT Appointment Soon

    I am a 47 year old male who has been dealing with very low energy and brain fog for the last 13 months. My primary care physician sent me to a Neurologist who conducted an MRI which came back normal. Referred me to a audiologist and test came back fine. I asked about low testosterone and the...
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    Ask The Urologist Anything (Dr Michael Rotman)

    New Patients Hi Dr Rotman - I am 47 years old and have been fatigued and have had brain fog for 16 months and was just tested for low t. My testosterone level was 228 and I had low pm cortisol so my primary care physician referred me to an endocrinologist which cannot see me until March 5th...
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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