Abdominal pain specialist, natural medicine, functional medicine practitioner. SIBO, H. pylori, IBS, IBD, Crohn's, leaky gut, biofilm
Dr. Marcus Ettinger, natural medicine and functional medicine practitioner. SIBO, H. pylori, IBS, IBD, Crohn's, U.C., leaky gut, biofilm, expert.

Practicing for over 27 years

Are You In Pain?   I Can Help!

No Obligation, 15 Minute, Phone Consultation* 

I have helped 1000’s of people, just like you, locally and around the world, get their body out of pain, fast. I also help people with diabetes, autoimmune issues and just about every problem that a body can experience.

I will listen to you and what you’ve been going through, and together we will get your health challenge handled. 

*Please call me today to schedule your FREE 15-minute consultation, to see if we are a good fit. Your abdominal pain or GI issue is very important to me. I want you to feel both excited and confident, that I have a plan that is right for you. I look forward to hearing from you – 714-639-4360.


Dr. Marcus Ettinger, DC

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5 Reasons Why We Need More Sun

Why You and I Need More Sun Exposure and Sunlight In Our Lives Let’s cut right to the chase, the Sun is your friend. Get under it, for at least 15 of direct exposure, as often as you can, especially if you have cancer. If I can’t I will take a supplement... read more

5 Qualities of Perfect Poop

Evaluating Your Poop, To Determine Your State Of Health Poop (n.) “excrement,” 1744, a children’s euphemism, probably of imitative origin. The verb in this sense is from 1903. The same word in the sense “to break wind softly” is attested... read more

My Treatment Room

This is where I’ve spent more than half of my life, treating over 10,000 new patients. I’m very blessed and grateful to be able to do what I do. How many people can say that their job is also their hobby? I’m stoked that I can. I look forward... read more

Biofilm Protocol Basics For Bacterial And Yeast Infections

Back in early 2009, I wrote the first and most comprehensive biofilm protocol on the internet. This was my, “Biofilm Protocol for Lyme and Gut Pathogens” (link). As of July 2016, that post has been viewed over 900,250 times. As with most things in life,... read more

Being Overweight Impacts Health, Economies, Food Security

What does the CDC say about being overweight? The Centers for Disease Control reported as of 2014 that each person in America spent an average of $9,523 per year on health care. That’s $3.0 trillion a year or 17.5% of all of the goods and services produced in... read more


630 S. Glassell St., #103
Orange, CA 92866


Office Hours:
Wednesday: 8:00am – 6:00pm
Thursday: 8:00am – 6:00pm
Friday: 8:00am – 6:00pm
Saturday: 8:00am – 1:00pm

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Certified NET and advanced NAET practitioner. Medical detective and paleo-functional medicine doctor. 27 years in practice.

1989 – 2004, 2008 – Present
Executive Director, Paleo-Functional Medicine Practitioner, Chiropractor, NET and NAET Practitioner.
Advanced Healing Center of Orange
Dr Marcus Ettinger graduated in April of 1989 from Southern California University of Health Sciences, formerly Los Angeles College of Chiropractic, and hold both a doctorate degree in chiropractic and a Bachelors of Science degree in human biology
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Servicing all cities in Orange County including: Aliso Viejo, Anaheim, Brea, Buena Park, Costa Mesa, Cypress, Dana Point, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Los Alamitos, Mission Viejo, Newport Beach, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda.