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  1. C

    Best day in TRT cycle to get blood drawn for labs?

    I'm taking weekly injections of cypionate of 100mg, I've usually been getting tested on the morning of the 7th day before in injecting my usual dose of Testosterone. Just want to know if that is the best practice?
  2. C

    Need some advice.

    After trt but before body shut down production, it was also before the stress started.
  3. C

    Need some advice.

    Felt better before my body quit making test and I bottomed out at 119..but have had a lot of stress since then, found out wife was cheating and going through a divorce with 2 kids, so I'm sure that has an affect on it.
  4. C

    Need some advice.

    Got some test results back from last week, total Testosterone was 497.27 on a reference range of 240.27-870. Free test was 12.0 on a range of 2.3-10.3. I had asked for an e2 test but she ran a hormone binding test which came back at 25.4...Not sure about range on that one but nurse said it was...
  5. C

    Need some advice.

    Went to Dr appointment agreed to weekly injections, and the labs that were recommended here. She asked me if I had been doing research on it, and I said I might as well get educated since I will be taking trt for life. So thx for the info!
  6. C

    Need some advice.

    The for the advice, will do. Just glad to find some place to be able to to talk and ask questions about trt.
  7. C

    Hello and glad to be here.

    Checked this site out and i'm glad to have found it!
  8. C

    Need some advice.

    I'm a 38 year old who's first testosterone test came back at 230 with a reference of 348-1197. Was put on testosterone. Cyponiate at 200mg a month. After 1 month I asked to be on bi weekly 100mg injection and the doctor agreed to it. 4 months into treatment my doctor wanted to recheck lvls...
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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