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* 

As a functional medicine doctor and chiropractor, 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. Together we will get your health challenge handled. 

*Please call me today to schedule your FREE 15-minute consultation, to see if you and I are a good fit. 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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Five Words That Are Worth Reviewing And Practicing

Five Words Worth Reviewing For additional color and context supporting this post, please listen to this two-minute music video, while following along with the written lyrics. Do this first, before you move on to the rest of this email. It’s 1968’s, Sly and... read more

Marcus Ettinger, DC Is Also A Functional Medicine Doctor

What Is Functional Medicine? Functional medicine is a comprehensive approach to wellness and health that utilizes various forms of diagnostic testing, such as stool, saliva, breath, and blood, to help uncover the root cause(s) of illness. These diagnostic tests... read more

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


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.