Optimize Your Healthspan Through Fibermaxxing
Bridge the 9-year healthspan gap by maximizing your dietary fiber intake. Experience optimized digestion, sustained energy, and clinical longevity.
Fibermaxxing is a precision health protocol built around one of the most under-optimized inputs in modern nutrition: dietary fiber. This site gives you the tools — a clinical fiber calculator, curated meal plans, and vetted supplements — to close the gap.
Thorne FiberMend
A highly soluble blend of partially hydrolyzed guar gum (PHGG). Dissolves without grit — the cleanest daily driver for microbiome support.
Clinical Meal Plans
Generate a high-fiber daily menu engineered for your microbiome.
Optimal daily fiber target
Average healthspan gap from low fiber intake
Of Americans fall below the clinical threshold
The Protocol
Understand the Science
Learn why fiber is the most clinically underrated longevity lever.
Explore →02Calculate Your Target
Get your personalized daily fiber threshold based on your body and activity level.
Explore →03Build Your Meals
Generate a 3-meal plan engineered to hit your clinical target.
Explore →04Stack Synergists
Add strictly vetted, science-backed supplements to close remaining gaps.
Explore →The Science of Fiber
Not all fiber is equal. Each type plays a distinct role in microbiome optimization—understanding the difference is the first step toward a precision protocol.
"Within two weeks of tracking my intake and hitting 38g consistently, my energy levels stabilized completely and my digestion has never been better. It's a game changer."