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    What needle length for IM TRT? Thinking of changing from subQ to IM to feel better

    Thanks. I'm hoping it'll make a difference for me. So far with subQ it feels almost like the Test isn't working regardless of dosage. I'm thinking of trying 2x/week instead of daily injections. Have you tried less frequent injections?
  2. G

    What needle length for IM TRT? Thinking of changing from subQ to IM to feel better

    Why not use 30G for IM? Because of the time it would take or is it bad for another reason. I heard some people say they feel much better with IM than subQ. I'm hoping that'll be the case for me. I'm also going to try 2x/week instead of ED, but in a few weeks after I move to IM, I don't want to...
  3. G

    What needle length for IM TRT? Thinking of changing from subQ to IM to feel better

    I've been doing subcutaneous injections daily for a while but don't feel that good with them. I've tried all sorts of dosages from 100mg/week to 200mg/week, but I still experience lots of brain fog, not much energy or motivation... Some people claim they get higher levels on IM than subQ and...
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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