Dr. Alejandro Junger
Dr. Alejandro Junger is a renowned cardiologist, Functional Medicine expert, and founder of the Clean Program. A New York Times best-selling author, he has spent decades uncovering the root causes of chronic illness—discovering that many begin in the gut. Bridging Eastern and Western medicine, Dr. Junger developed a holistic protocol that supports gut healing, detoxification, and nutrient restoration. His signature 21-day Clean Program has helped hundreds of thousands reset their health, reduce inflammation, and regain vitality—both physically and mentally.
Areas of Expertise:
Cardiology
Board-certified cardiologist with conventional medical training.
Functional Medicine
Expert in identifying and treating root causes of chronic illness.
Detoxification Protocols
Pioneer of integrative detox practices through the Clean Program.
Gut Health
Deep understanding of the gut’s role in systemic health and chronic disease.
Integrative & Holistic Health
Combines Eastern and Western medicine principles.
Mind-Body Healing
Emphasizes the impact of stress, lifestyle, and environment on health.
Author & Educator
New York Times best-selling author and thought leader in wellness.
Healing Protocol Development
Creator of Clean 21 and Clean 7, full-body reset programs focused on healing, detoxification, and habit transformation.
Blog posts
The Invisible Connection: Why Mental Health Is Gut Health
I remember standing in an elevator in a New York City skyscraper, staring at seven different prescriptions in my hand. I was finishing my cardiology fellowship...
Biological Purpose of Inflammation Explained by Dr. Junger
Have you already encountered or heard that “inflammation is the root of all modern illnesses”? What if we’re looking at it in the wrong way? Inflammation...
Can Anxiety Come from Gut Health? How Healing Your Gut Could Heal Your Mind
Anxiety is one of the most common and misunderstood conditions of our time. It’s often treated as purely psychological, something to be managed with talk therapy,...
Exploring the Gut-Brain Axis & the Role of the Microbiome With Dr. Junger
By Dr. Alejandro Junger, founder of the Clean Program In medical schools around the world, students are taught about the body one organ at a time....
Getting Your Gut Back on Track: Gut Reset and Seasonal Detox
Learn how to reset your gut naturally with seasonal strategies that support detox for gut health. In this guide, I’ll share what I use in my...
Nurturing the Liver: The Unsung Hero of Our Well-being
Written by: Dr. Alejandro Junger Today, I want to delve into one of the most vital yet often overlooked organs in our bodies—the liver. The liver...
The Different Types of Magnesium & Why We Need Them
By Dr. Alejandro Junger, Founder of Clean Program Ancient medicine modalities knew it thousands of years ago, and modern science is catching up to it: everything...