World Renowned Nutritionist
New York Times Best Selling Author
Mark Macdonald has spent decades helping people better understand nutrition and build healthier, more sustainable lives.
As a world-renowned nutritionist and New York Times best-selling author, Mark has helped lead global conversations around food, fitness and digestive wellness. His work is rooted in making complex health information practical, empowering and easier to apply to everyday life.
His commitment to digestive health also became deeply personal, inspiring the work that helped bring Zive7 to life.
Today, Mark continues that mission with TotalGut7—helping more people awaken their digestion, strengthen their daily habits and take a more active role in their wellness.