twice weekly

  1. D

    Would like to know why some men choose more frequent injections at smaller does like twice weekly or E3D. Thinking of going to twice weekly

    Greetings all. I am on a once weekly injection schedule with 150mg of T cyp on Mondays, then .25mg anastrozole on Tuesdays, and .1mg anastrozole on Fridays and Sundays. This causes my T to range from approx 1200 at peak and 500 seven days later before next injection. Is this a normal swing...
  2. K

    Study re: bi-weekly injections

    Hi guys I'm considering bi-weekly injections to better manage hct, then I saw this... thoughts? Now i'm confused. Thoughts? Thanks, Kaes American Urological Association
  3. J

    Split dose (2x weekly) and blood draw timing

    About 4 weeks ago I went to 2x weekly split dose of Cyp. My doctor told me to always inject weekly so he can test at the trough. He does not know I am doing 2x weekly (50%). When I was on .75mls/150mg per week I was finding I would feel crummy by the 5th day. After splitting the dose I feel more...
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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