high hct

  1. I

    Update on Kyzatrex/T cyp hybrid protocol

    Super brief history: TRT 8 years, previously Topical then 7 years injections, T cyp. Eventually moved to to Cataceous' Enanthate/Prop blend, with a bit higher ratio of prop. Ended up doing really well at 7mg/daily. Except HCT. Had to get off the phlebotomy train. Was a real challenge to find a...
  2. F

    Ballpark free test trough limit

    Hi, I'm worried about getting into the high HCT, low ferritin cycle as I started with HCT at 50.5 before TRT. I know everything is individual but is there a ballpark limit to free T trough that you should try to avoid going above to control HCT? Thanks.
  3. S

    How to avoid rise in HCT?

    Would lowering my testosterone dose but increasing my HCG dose, think that would not increase my HCT as much? Or lower my dose to get my TT around 600 and feel more tired but my HCT wouldn’t raise as much?
  4. G

    Solution to infamous high HCT low ferritin dilemma

    Here’s an interview with Dr. Morley Robbins that addresses the infamous high HCT low ferritin dilemma that many men face on HRT. Looks like we finally have an answer in regards to how to handle it. Spoiler alert, it’s to donate blood, as needed, to keep serum iron, HGB and HCT levels within a...
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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