MM
 
New York Times Bestselling Author

Books That ChangeHow You ThinkAbout Health.

Mark Macdonald’s books turn decades of nutrition experience into practical systems for building confidence, improving health and creating lasting change for individuals and families.

2
Published Books
30+
Years of Experience
60+
Countries Reached
Mark Macdonald
Body Confidence book cover
Why Kids Make You Fat book cover
Books With Purpose
Practical health systems created to help people and families live better.
01
Body Confidence by Mark Macdonald
New York Times
Bestselling Book
PFC
The New York Times Bestseller

Unlock Your Body’s
Full Potential.

Body Confidence was created to help end the dieting madness and teach you how your body actually works. It is not just about the number on the scale. It is about feeling confident in your body, inside and out.

Mark’s PFC3 approach focuses on three nutrition factors that help stabilize blood sugar, keep your body in balance and create a healthier relationship with food.

01
Eat Consistently

Create a dependable meal rhythm that supports your metabolism.

02
Balance Your PFC

Understand the right balance of protein, fats and carbohydrates.

03
Personalize Portions

Identify the amount of fuel your body needs at each meal.

FAMILY
 
Health for Busy Parents

Parenthood Changes
Everything.
Your Health Does Not
Have to Disappear.

 

After becoming a dad, Mark experienced the same disrupted sleep, rushed meals and inconsistent workouts that challenge so many parents. He gained 35 pounds and realized that the health strategies he had always relied on no longer fit his life.

Why Kids Make You Fat turns that experience into a practical blueprint for parents who want to reclaim their health without sacrificing time with their family.

“You do not need your old life back. You need a healthier plan for the life you have now.”
02
Why Kids Make You Fat by Mark Macdonald
35 LBS

Mark’s personal wake-up call after becoming a dad.

For Busy Parents

A practical plan for restoring your health and leading your family differently.

Mark Macdonald with Body Confidence
Body Confidence book cover

Practical health advice designed for real life.

Inside Body Confidence
Health AdviceThat FeelsPractical.Personal. Usable.

Body Confidence is built to simplify health. It helps readers understand how their body works, cut through confusion and build habits they can actually sustain.

This is not theory for theory’s sake. It is a practical roadmap for creating better energy, stronger habits and real confidence in how you eat, move and live.

PFC3
What You’ll Learn
Five Ideas You CanPut Into Action.

The principles inside Body Confidence are designed to make health easier to understand and more realistic to live.

01
Learn

Understand Your Metabolism

Learn how your body responds to food, movement and daily habits so you can work with your body instead of fighting it.

02
Focus

Build Body Confidence

Move beyond the scale and understand the difference between weight loss, body composition and meaningful health progress.

03
Apply

Create Practical Habits

Turn what you learn into simple, repeatable habits that support more energy, better choices and lasting consistency.

04
Train

Exercise With Purpose

Make movement support your goals in a way that feels efficient, sustainable and built for real life.

05
Improve

Support Total Health

See how food, sleep, stress, hydration and recovery work together to create results that last.

DAD
Mark Macdonald and family
Mark Macdonald with his family
The Real Story

The book began with Mark’s own struggle to balance fatherhood and health.

35
The Story Behind the Book

He Knew Health.
Then He Became a Dad.

Mark had spent years teaching people how to improve their health. But after becoming a parent, his own routines changed almost overnight.

Sleep became unpredictable. Meals became rushed. Exercise became harder to schedule. Even with all his experience, Mark gained 35 pounds and struggled to make his old approach fit his new life.

“Becoming a parent did not remove the need for health. It changed the kind of plan I needed.”

That experience became the foundation for Why Kids Make You Fat, a realistic guide for parents who want to feel better, live healthier and lead their families by example.

FAMILY
A Healthier Way Forward

Take Care of Yourself.
Change the Future of Your Family.

This book is not about returning to who you were before becoming a parent. It is about building a healthier approach for the life and family you have now.

01
Restore

Find Your Health Rhythm Again

Create a realistic approach to eating, movement and recovery that works with the demands of parenting instead of competing against them.

02
Simplify

Build Habits That Fit Family Life

Stop chasing perfect routines. Learn how small, repeatable choices can support your health through busy mornings, long days and unpredictable schedules.

03
Lead

Create Generational Change

Model a healthier relationship with food, exercise and self-care so your children grow up seeing health as a normal part of family life.