The Ultimate Guide to Fasting on TRT: Autophagy, Cellular Optimization & Performance on Testosterone Replacement Therapy (Human Performance Series) - Softcover

Castenholz, Dustin

Softcover

ISBN 13: 9798186824329

Publisher: Independently published, 2026

Synopsis

There is no other book like this one.

If you're on testosterone replacement therapy and you've started asking questions about fasting, you already know the problem: every fasting book ignores TRT, and every TRT resource ignores fasting. You're left guessing whether exogenous testosterone blocks autophagy, whether your injection timing matters, or whether you're wasting your effort entirely.

This book answers every one of those questions — with the actual science.

Inside, you'll find a complete, hour-by-hour and day-by-day breakdown of fasting on TRT across every duration that matters:

- The daily 16:8 through 20:4 intermittent fasting windows
- The 24-hour fast — your foundational autophagy pulse
- The 3-day fast — deep autophagy and the beginning of stem cell activation
- The 7-day fast — maximum depth, covered with the medical caution it deserves

You'll learn exactly how testosterone changes the mTOR/AMPK balance, why TRT gives you a genuine muscle-preservation advantage during extended fasts, how growth hormone release is amplified on TRT during fasting, and how to time every fast around your injection cycle for maximum benefit.

What makes this different from every other fasting book on the market:

- Dedicated protocols for every fasting duration, not just generic intermittent fasting advice
- A full injection-timing framework most TRT patients have never seen written down
- Supplement stacks chosen specifically for their interaction with both fasting and TRT
- A complete bloodwork reference guide so you can actually measure whether it's working
- Honest, duration-specific safety guidance — including when a fast genuinely requires physician oversight, and when it doesn't
- A 12-month framework to build your personal protocol from foundation to advanced practice

Backed by the 2023 TRAVERSE cardiovascular safety trial, current autophagy research, and the physiology of testosterone at the cellular level — written for the man who is already getting results on TRT and wants to know exactly how far fasting can take him.

This is the guide the TRT community has been waiting for.

Edition details

• Publisher: Independently published
• Publication date: 2026
• Language: English
• ISBN 13: 9798186824329
• Binding: Paperback
• Number of pages: 43