"A deeply-researched and often shocking exposé on how we got so much wrong in nutrition--and how to get it right. With a "wow" on every page, Gut Check is an essential manual for what to eat and why to eat it. I learned so much from this book." -- James Nestor, author of the New York Times bestseller, Breath

"A tour de force guidebook about how to take care of your gut so it can take care of you. A clear and concise distillation of actionable information to maximize gut health and possibly lifespan." -- David A. Sinclair, AO, PhD, professor of genetics, Harvard Medical School

"Gut Check is an important book for the 21^st century when our digestive systems and microbiomes have been under assault from our ultra-processed diet, overuse of antibiotics, acid blocking drugs, C-sections, environmental toxins, chronic stress, and more. Dr. Gundry provides a guided tour through the most important part of your biology--the gut--and provides a roadmap for healing ourselves by healing our gut." -- Mark Hyman, MD, author of the #1 New York Times bestseller Young Forever

"Dr. Gundry is one of the world's foremost experts on the connection between your gut, microbiome, and every type of disease. His genius shines through in Gut Check because he makes it easy to understand and tells you exactly what to do to live longer." -- Dave Asprey, founder of Bulletproof, CEO of Upgrade Labs, and four-time New York Times bestselling author

"In this engaging and easily accessible guide, Dr. Gundry provides practical and actionable steps to rebalance and heal our gut and increase our overall health." -- Arianna Huffington, founder and CEO of Thrive Global

"If you have a gut feeling that your next meal can make or break your health, then this book is definitely for you. In Gut Check, Dr. Gundry brings his skills as a physician, scientist, and brilliant explainer to tell the story of the gut microbiome and how it connects with every aspect of your health. Gut Check brings you the dos and don'ts that will make it easy to improve your gut health and give yourself a healing advantage with every bite you take." -- William W. Li, MD, president and medical director of the Angiogenesis Foundation and New York Times bestselling author of Eat to Beat Disease and Eat to Beat Your Diet

"Gut Check digs deep into the complex world of the gut microbiome, deftly weaving the latest scientific research into a compelling narrative about our body's inner ecosystem. By drawing on cutting-edge studies, Dr. Gundry paints a vivid picture of how the health and function of the gut are inextricably linked to our overall well-being, offering actionable insights. With its detailed, user-friendly information, Gut Check becomes an essential guide for anyone looking to nurture better health through a deeper understanding and care of their microbiome, making it a must-read for both medical professionals and health enthusiasts alike." -- David Perlmutter, MD, author of the New York Times bestsellers Grain Brain and Drop Acid

"Dr. Steven Gundry has done it yet again--provided his expertise and insight to a crucial health issue, with a fascinating and eminently readable book. His advice should help us all to live healthier, happier, smarter, and longer." -- Dr. Dale Bredesen, author of the New York Times bestseller, The End of Alzheimer's

"There isn't a single aspect of our health that isn't impacted by the state of our gut. In Gut Check, Dr. Gundry masterfully guides us through the universe inside of our bellies. You'll discover why your gut health is at the center of your wellness solar system and how to put everything into immaculate order. Read this book. Your body will thank you." -- Shawn Stevenson, bestselling author of Eat Smarter and Sleep Smarter

"Dr. Gundry has done it again. In Gut Check, he dives deeply into the mysteries of the gut biome and its complex relationship with your overall health. Along the way, you'll begin to understand how important the food choices are in your energy, health and well-being. I highly recommend This book as a strategy in your longevity quest." -- Mark Sisson, founder of Primal Kitchen foods and New York Times bestselling author of the keto reset diet

"Dr. Gundry does a wonderful job outlining how the different kingdoms of the gut drive our mood, hunger, and even our thoughts. What can be complicated science is explained simply and elegantly with tangible action items for brain health, hormones and gut health. Gut Check is an essential book to help you gain insight into your digestive issues and, most importantly, plan for improvement." -- Dr. Stephanie Estima, DC, author of The Betty Body

"The secret to good health, for readers searching for such a secret." -- Kirkus Reviews

"A solid blend of science and dietary guidance." -- Publishers Weekly