Gut Check: The Additive-Free Blueprint for a Longer, Stronger Life (Human Performance Series) - Softcover

Castenholz, Dustin

Softcover

ISBN 13: 9798187933075

Publisher: Independently published, 2026

Synopsis

Your gut isn't broken. It's been sabotaged — and you didn't even know it.

Hidden inside foods marketed as "healthy" are additives quietly eroding your gut lining, disrupting your microbiome, and accelerating the very aging process you're trying to slow down. Gut Check exposes exactly what's happening — and gives you a complete, science-backed system to reverse it.

Drawing on microbiome research, longevity science, and firsthand investigation into the additives hiding in plain sight, this book goes far beyond generic gut-health advice. It's the deep, unflinching look at what's actually driving inflammation, aging, and dysfunction from the inside out — and exactly what to do about it.

Inside, you'll discover:

• The hidden additives in "clean" foods that are quietly destroying your gut lining
• Why diversity — not "good vs. bad" bacteria — is the real key to a healthier gut
• The direct link between your microbiome and how fast you're aging
• A structured, single-variable method for identifying your own personal trigger foods
• The exact daily and weekly system for rebuilding your gut for the long haul

This isn't a 30-day reset. It's the blueprint for a gut — and a life — built to last.

It's time for a gut check.

Edition details

• Publisher: Independently published
• Publication date: 2026
• Language: English
• ISBN 13: 9798187933075
• Binding: Paperback
• Number of pages: 84