best time to inject

  1. J

    Increasing dosage from 50mg/wk to 100mg/wk - Timing ??

    Began TRT in August 2021. Endo started me on gel packets due to better overall level stabilization (and probably a $ kickback from their rep). These were messy, especially with young kids, so I switched to injections in December. Prescription was for 50mg, one injection weekly. After seeing my...
  2. I

    Best time to inject testosterone?

    For anyone doing daily or every other day shots... does it make any difference to any of you, if you inject in the morning or at night? I know some guys who take bigger shots once or twice a week, say that injecting at night can impact their sleep etc... But i havent seen much from the guys...
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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