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  1. S

    Delays with Defy refill process

    Sorry but I have to vent. As much as Defy gets praised they should also be criticized on their shortcomings. This is the third time I order refills and have to wait more than a week for delivery despite me paying overnight shipping. Their email clearly says to wait 24-72 hours for pharmacy to...
  2. S

    Late on my test cyp refill, Can I up HCG dose?

    So due to work and traveling I have lagged on my test refill. My protocol is MWF 24 iu. Not currently taking HCG at the moment but have a good supply. My refill will most likely arrive next week however, I only have enough test for one more shot Friday, maybe. Question is Can I do a big dose...
  3. S

    Help with E2 and Arimidex

    Long story short, Like most here, I started with a local clinic to treat my low T. In house T test came back at 161. Got put on 125mg of test cyp once a week IM. Fisrt shot was on Monday 9/19/16. No AI no HCG. 3 days later my additional (limited) blodwork came back and Doc said to take .5 of...
  4. S

    Help with transitioning protocol

    Short recap: Started TRT treatment 7 weeks ago. Protocol was 125 test cyp once a week on Monday along with .5 of arimidex. 500 of HCG on Thursday. Initial blood work taken showed 161 total T and E2 at 13.4 with ranges 7.6 - 42.6. Total T was in house and the pre TRT was minimal with just a...
  5. S

    Just started TRT and have a question regarding one month labs

    Hi, First time post but have been reading extensively on this forum. I have a question regarding the practice of one month follow up labs when first starting TRT. Ive been on TRT For 5 weeks now and I am scheduled for my labs. The place I go to wants to test me 3 days after my injection. This...
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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