Oral T : KYZATREX the Next Frontier of Testosterone Replacement Therapy

madman

Super Moderator
* we dive deep into the myths around oral testosterone, why SHBG levels matter, how testosterone therapy affects inflammation, cardiovascular risk, cognition, libido, and longevity, and why optimizing free testosterone—not just total T—is the true goal.





In this episode, I’m joined by Shalin Shah, CEO of Marius Pharmaceuticals, to talk about the past, present, and future of testosterone replacement therapy (TRT). From the systemic decline in testosterone levels among younger men to the breakthrough FDA-approved oral testosterone Kyzatrex, this conversation explores what’s next for hormone optimization—and why it matters more than ever.

Take a look and listen as we dive deep into the myths around oral testosterone, why SHBG levels matter, how testosterone therapy affects inflammation, cardiovascular risk, cognition, libido, and longevity, and why optimizing free testosterone—not just total T—is the true goal. Plus, we discuss clinical pearls for transitioning from injections or pellets to oral therapy, monitoring labs effectively, and future directions for female testosterone replacement.Whether you’re a clinician, a patient, or someone interested in living with more energy, drive, and clarity—this episode is a must-listen.




⏱️ TIMESTAMPS:


00:00 – Welcome & the testosterone crisis in men
01:00 – Meet Shalin Shah: Why testosterone is his mission
04:30 – What’s causing the testosterone collapse in younger men?
08:15 – Low T symptoms and why “normal” labs can be misleading
13:00 – Comparing TRT delivery options: injections, topicals, pellets, and oral
16:30 – Why SHBG matters more than you think
22:00Kyzatrex: Oral testosterone that bypasses the liver
26:00 – The importance of dietary fat for oral testosterone absorption
33:00 – Estrogen management and why most men don’t need AIs
38:00 – TRT and fertility: What the Kyzatrex trials reveal
41:00 – How to transition from other TRT forms to oral

43:00 – Best practices for lab testing Kyzatrex
44:30 – How testosterone affects inflammation, cardiovascular risk & longevity
46:00 – Future of TRT for women
48:00 – What Shalin would tell his younger self
49:00 – Where to learn more about Kyzatrex, Marius, and TRT science
 
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

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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