Over 40 years of expertise in:

Digestive Wellness and The Microbiome

Healthy Longevity and Reverse Aging

Cellular Optimization and Peak Performance

Cleansing and Detoxification

Are you suffering from any digestive system disorder?

Maryann’s Story: Obesity, Constipation, Chronic Fatigue and more


"‘I could tell that I was beginning to heal in a way that I never experienced before. Within 2 months I lost 20 lbs. But the most important thing is that I began to discover my energy again.”

Lauren’s Story: Stomach Cancer, Gastroparesis, Migraines, Lyme Disease, and other ailments

I was sure I was going to leave this world in the summer of 2023. I visited our attorney and documented my passwords and pertinent information to manage my affairs.”

 

“The relationship between Nutrition and Health is not casual; it’s causal.”

-Russell Mariani

This book is 40 years in the making. The contents of its comprehensive 320 pages documents in detail the insights, protocols and procedures that Russell Mariani has used effectively in helping many thousands of people around the world to regain their health and well-being.

Principle Eating - The No Diet Way to Complete Health

The Course in Functional Nutrition:

Achieve Optimum Health and Digestive Wellness through a series of 8 short video lessons

The Course in Functional Nutrition will take you through a series of 8 short video lessons you will receive comprehensive guidance and step-by-step support whether your goal is to achieve optimum health and peak performance or to restore normal functioning to your digestive system. Russell Mariani has achieved mastery of the principles and practices of Functional Nutrition over the past 40 years in private practice helping thousands of people to fully regain their health and optimize their well-being. Whatever your current state of health and your current health goals, The Course in Functional Nutrition will walk you step by step from where you are to exactly where you want to be! Two “live” monthly Zoom sessions (with Russell Mariani) are provided to answer your questions in real-time to make sure you experience the benefits and results you desire and deserve.