Ready to understand TRT ?
Learn what Testosterone Replacement Therapy actually is, who it's for, and what to ask your doctor before you start.
Written by Dr. James Hoffmann
PhD, Sport Physiology
Dr. James Hoffmann holds a PhD in Sport Physiology and has spent his career as a coach, professor, and athlete. He co-authored a textbook on periodization with Tudor Bompa, served as a Division I strength coach, and has coached athletes across combat sports, rugby, and tactical training. He also went through TRT himself, navigated the benefits, the tradeoffs, and the hard parts no one talks about. This guide reflects that full-circle experience, not just the science.
What this guide helps you do
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Know if you're actually a candidate
Learn the real criteria symptoms plus lab values and why age alone doesn't cut it.
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Understand your options
From injections to gels to pellets, get a plain-language breakdown of every delivery method and its tradeoffs.
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Ask the right questions
Walk into your clinician's office prepared. Know what to ask about dosing, monitoring, fertility, and what happens if you stop.
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Make an informed decision
TRT isn't for everyone. This guide gives you what you need to weigh the tradeoffs honestly and decide for yourself.
Stop making decisions based on what you saw online.
This guide is for men who want real information, not hype. If you're tired of sifting through bro-science and telehealth ads, this is where you start.
If you're just looking for a shortcut to bigger numbers on a lab report, this probably isn't for you.