A three-volume series · J.F. Kilty
Don't manage your metabolism.
Engineer it.
Your body is a system, not a character flaw. It can be measured, tuned, and rebuilt - 310 pounds to 139, three blood pressure medications down to none, eleven years and counting.

A structured, science-driven framework - not a diet
The Metabolic Engineer series teaches you how to redesign your lifestyle, routines, and identity for long-term metabolic health and lasting change. Coaching, consistency, and practical food and routine engineering, built into a system for lifelong longevity.
Science
Decisions made on measurement and mechanism - not motivation, not moralizing.
Coaching
A coach's standards on the page: what to do, what to hold, what to correct.
Food & Routine
Prep, cooking, and daily routine engineered so consistency stops taking effort.
Identity & Longevity
A shift in identity is what makes the lifestyle last - and longevity is the point.
The Approach
Stop dieting. Start engineering.
Most books in this category ask you to want it more. This one hands you a schematic - a lifestyle built out of routines you can actually repeat. The work isn't heroic; it's consistent. A body that drifted out of spec didn't fail morally. It accumulated tolerances, and tolerances can be corrected.
You are not broken. Your system is. Systems can be rebuilt.
The Results
310 pounds to 139 - at 65
Eleven years, two collapses, one mini stroke, and three blood pressure medications discontinued the day before my 65th birthday. A transformation held in place by routine, not by luck, genetics, or a burst of discipline.




The Series
Three volumes, one working system
Read in order or start anywhere. Together they take you from what went wrong to what to do on Monday morning.

Volume I
Choose Life
The failure report. How a lifestyle runs an engine to the edge of seizure - and the moment the shift in identity begins.
Learn more →
Volume II
From 310 to Thriving
What actually happens during and after the drop: food, prep, cooking, and the daily routine that keeps the result stable.
Learn more →
Volume III
The Blueprint
The instruction set. Coaching, standards, and consistency - the operating system that turns a rebuild into longevity.
Learn more →For anyone who thinks it's too late
You are not too old to rebuild
The work happened between fifty-four and sixty-five. Three blood pressure medications stopped the day before my 65th birthday. Aging is not a straight line - and the second half of life does not have to be a slower version of the first.
Launch List
Be there when Volume I ships
Release dates and early excerpts. Nothing else, ever.