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    Shrunken balls

    Wasnt sure where to post this but was curious who else has experienced this. I have been on TRT for many years and my balls have shrunk tremendously. I am in 50's so not intersted in using hcg or fertility as I have a vesestomy. Whats bothering me is that when I have sex and she is on top, my...
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    Switch from topical to injections

    I am switching from a topical to injections because of some cross contamination issues with my wife we recently discovered. I have always used a topical for several years now and have had great results with it but its time to switch. I will be using a compounded prop/cyp blend that I believe is...
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    Saliva test for testosterone levels

    Any thoughts on using saliva test in lieu of blood or in addition to blood? A nurse in my doctors office said that if someone is on a transdermal that the blood won't show correct T levels in the blood and that I needed to pay $85 for a saliva test since I'm on a TD. I politely disagreed with...
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    Transition from TD to T cyp

    Met with a new doctor the other day and went over my protocal with the TD. Avg 700 T and managing any and all side effects related to this type of TRT. I read all the treads and trying to figure out a new protocal. Although hes not opposed to continueing my protocal he prefers IM twice weekly...
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    Is Testosterone to Estradiol Ratio Important in Men?

    Couple months ago Nelson had a take on E management and understanding E follows T makes perfect sense and treating symptoms vs numbers on bloodwork. There was alot of conversation about a ratio of keeping E2 (14-20) using the math of T÷E2. I recently moved to Nashville from So Cal and starting...
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    Thoughts on Progesterone

    Spoke with my doctor the other day and reviewed recent bw. TT- 759. (250-1100) FT - 102. (46-224) Bio - 201. (110-575) SHBG. 37. (10-50) E2. 40. ( less 29) ultra sensitive test DHT. 178. (16-79) DHEA. 558. (38-313) On a compounded TD. 150mg T daily along with...
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    Statin withdrawls?

    Had a recent dr visit and in discussing blood work my cholesteral has been running on the low side since starting trt a year ago. About 6 months ago lowered statin dose to 10mg from 20mg. I have been on some form of a statin drug since about 2009 when my gp at the time suggested it when my...
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    Effective Lower Back Exercises

    Question and looking for some suggestions on some lower back routines I can incorporate into my gym workout. Im having trouble finding a good machine or cable weight workout that will specifically target my lower back. My situation is this, Im in my 50's, weight lifted pretty much my whole life...
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    Managing hematocrit levels with red blood cell donation

    I gave blood today to manage my HEMO, but the nurse at red cross was trying to explain a red blood cell filter called ALYX system where they filter your blood just removing the red cells and returning your whole blood back. You can only give blood every 120 days with this instead of the...
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    TRT questions

    I am new to this forum but not new to TRT. I am 50 and on TRT for about a year and ive been reading on this site but had couple of questions. I use a bioidentical transderm from compounding pharm. 175mg test/50mg chrysn/40mg DHEA daily applied to inner thigh. Question: does the body...
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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