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  1. J

    6 month blood work - going to twice per week - update

    Hi all - quick update on my recent doc visit today. Been on steady TRT since last September. 34 years old had the pit MRI etc when my inital tests came back at nearly zero last summer. Everything checked out and I was diagnosied with secondary idiopathic hypogonadism. My protocol has been...
  2. J

    How often to do blood tests

    Thanks for the feedback again, I'm not an expert, but CoastWatcher, am I not correct that pit tumors go undiagnosed from MRI because of their size?. I may be the minority in this forum, I don't know, but I'm only 34, athletic build little fat, eat okay, excersise, always been horny as hell, no...
  3. J

    How often to do blood tests

    Thanks everybody, this is really helpful. Great chart Nelson that is exactly what I was looking for. I think my doc is a good doc and is doing the right thing, I guess I just got worried about the flushing and red blood count. It's great to know about discountedlabs.com and I will look into...
  4. J

    How often to do blood tests

    Hi All, Sorry this may have already been posted, but I've been searching for a bit and did not find anything on this. My question is how long should I go between blood tests. Quick snapshot, the first appt with this doctor was in August levels were below 200, he put me on 100mg per week for 2...
  5. J

    New Just Starting TRT

    Yes, that is correct. I will be doing self injections of Test Cyp weekly at 100 mg until my next appt in October. Then I guess we'll see where we go from there.
  6. J

    New Just Starting TRT

    Hi Nelson, I recieved the first two shots from my regular doctor. One shot at 300mg on June 26th and then two weeks later 200mg on July 10th. He didn't want to give me another shot until I met with the Endo. So I went a month without recieving any testosterone and tested at 240 ng/dL with...
  7. J

    New Just Starting TRT

    Hi Nelson, No anabolics or T boosters. I used to take creatine. I had surgery earlier this year and was prescribed Norcos for pain, but I only take them on occasion (once a week for occasional pain). Dr. said typically I would need to be on 7-10 a day for the narcotics to damage my pit. No...
  8. J

    New Just Starting TRT

    Thanks for the quick replies. The Endo says he specializes in hypogonadism. Both my GP and Endo seem to be conserned with finding the cause and not just putting me on TRT. Yes, I did have an MRI of the pit and it came back normal. Other tests the first time on June 17th: Complete blood...
  9. J

    New Just Starting TRT

    Hello All, Lost my sex drive and erections about 6 months ago. 33 years old, 5'9 180, muscular, full beard and chest hair, always put on muscle easy. Started feeling tired and lost interest in hobbies etc. Joint pain, hot flashes, excessive sweating, anxiety/depression the whole bit. Went...
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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