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  1. Ckblgr

    How to Dose Aromasin (Exemestane) -- A Proposal

    All, I love how aromasin (exemestane) makes me feel, much more than arimidex (anastrazole). Anastrazole feels harsh and slightly poisonous, where exemestane feels smooth and mild. I have been using it on and off for years as a stand-alone, to both increase testosterone, lower SHBG and control...
  2. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    Follow up retest: 950 Total, 235 Free. Earlier test was faulty.
  3. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    Not primary hypo, at least not according to "normal" standards. I was between 500-700 total test before starting test cyp and hcg. 35yo. I am on TRT because I have relatively low free t and dht, have been suffering weak libido and erections. The jury is still out if this is the right path for...
  4. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    According to various threads here, my HCG dose of ~150iu/day is possibly too low to prevent suppression of natural T production. I'm going to bump to 350iu EOD. Thanks for the replies.
  5. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    Good theory, but my HCG alone should be maintaining natural T production above 155, no?
  6. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    Thanks xqfq. However, I think the Labcorp and Quest ranges are different. For Quest, Total range is 250-1100. Free 35-155. So both my Free and Total are below the bottom of the range by about the same %.
  7. Ckblgr

    Crazy ~800 ng/dl Drop while on TRT--- Faulty Quest Test?

    Hey all, first post, I started TRT 4 weeks ago and have been getting my own blood draws every week. My prescribed regimen is 20mg test cyp and 140mcg HCG SubQ every day. I'm also prescribed 0.125mg arimidex 2x/week, but have been avoiding taking it. End of week 3, my Quest results were 942...
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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