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    Protocol switch results - 200mg/wk to 20mg/day Test Cyp

    I was hesitant to change anything because I've been doing very well for a long time now on 200mg a week with 400iu of HCG every other day. The one complaint was constantly rising hematocrit. Donating every 2-3 months doesn't bother me but after one bad experience at the red cross I developed a...
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    Slightly red mildy irritated skin after starting T Cream.

    The wife started T cream along with a DHEA tablet daily about 6 weeks ago. Could either of these result in mildly red/itchy/dryish skin around the neck and cheeks or should we just look into other sources of irritation? It started about 3 weeks in.
  3. L

    Wife's labs - your interpretation?

    Just looking for some thoughts from all you amateur hormone docs out there ; ). Wife has been on birth control of some sort for 20 years. Was depo shot forever, now on pills. Low libido, sometimes low energy. Other than that perfectly healthy. Has always had slightly high TSH with normal T4/T3...
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    120mg e5d vs 200mg a week

    I was on 200mg a week and my trough sensitive E2 would never climb above 35 without an AI. Quite some time ago I switched to 120mg every 5 days to try and level out my peaks/trough and have noticed without an AI my E2 can hit 50 and I have trouble dosing the AI and always seem to be going too...
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    Quest Sensitive E2 test questions (my local labcorp closed, looking for options).

    My nearest Labcorp closed so I have double the drive time to the next nearest lab. I can maybe get testing done at my doctor's office which has a quest lab. My question is what is the Quest equivalent for the labcorp sensitive E2 test code 140244? Secondly, can one expect the results from the...
  6. L

    Sporadic bouts of good libido/sensitivity on TRT, now just flatlined.

    Brief history... past 3 years or so I'd have periods of low mood and reduced drive, libido and most recently reduced erection sensitivity. I'd get them just fine or sometimes would need cialis but there just wouldn't be any pleasure there. So after getting fed up I got into the doctor, got my...
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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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