NY Times Best-Selling Author
Live Your
Greatest Health.
World-renowned nutrition expert, global product formulator, international speaker and community builder, empowering millions across 60+ countries to transform how they look at food, gut health and life.
Mark MacDonald is a New York Times best-selling author, nutrition and fitness expert, and international speaker who has helped more than 10 million people in 60+ countries change how they think about food, gut health and blood sugar balance.
60+
Countries
Reached Globally
ON AIR
Featured Nutrition & Fitness Expert On
ABCCNNCBSNBCFOX NEWS
HLN/Dr. Oz Show/Tamron Hall/Tennis Channel/Chelsea Lately/Access Hollywood/Brinx.TV
MM
Husband. Dad.
World Changer.
Most importantly, I’m a husband to Abbi, and dad to Hunter and Hope. Professionally, I’m a world-renowned nutrition and fitness expert, NY Times best-selling author, media personality, international speaker and entrepreneur.
“My life’s mission is to change how the world looks at food, empowering people to live their greatest health.”
Over 30 years, I’ve led health movements in 60+ countries across 6 continents, partnering with thousands of organizations and empowering millions of people.
More About Mark
Since 2000
25+ Years
of Impact
Watch the Mission
in Action
See how Mark has spent 30+ years changing lives, one person, one community, one country at a time.
01
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Speaking Experiences
High-impact keynotes and workshops that ignite health movements inside your organization or at your next event.
Book Mark →
02
✓
100 Days of 1%
Mark’s signature program — small daily shifts compounding into permanent, life-changing transformation.
Join the Program → 03
📅
Coaching With Mark
1-on-1 and group coaching to build your personalized nutrition and fitness strategy that fits your real life.
Get Started →04
🏢
Workplace Wellness
Proven corporate wellness frameworks that reduce sick days, boost productivity, and build lasting culture.
Learn More →05
📖
Mark's Books
NY Times bestsellers that have changed how millions think about food, body, and health for good.
Shop Books →06
▶
Media Hub
TV episodes, interviews, and videos — Mark’s global media presence and content library at your fingertips.
Watch Now →
★★★★★
“Mark’s approach completely changed how I see food. I lost 40 pounds and kept it off for 3 years. This isn’t a diet — it’s a new way of living.”
SL
Sarah L.
100 Days of 1% Graduate
★★★★★
“We brought Mark in for our company’s wellness summit. The energy, the message, the results — our team is still talking about it months later.”
JR
James R.
HR Director, Fortune 500
★★★★★
“I’ve read every health book on the market. Mark’s work is different. It’s practical, science-backed, and actually works in a real, busy life.”
TC
Tanya C.
Coaching With Mark Client
“
The Books That
Changed Millions.
“The definitive guide to understanding your body and reclaiming your health — for good.”
Shop the Books
