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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The Small Intestine – Part 4 of the 5 Phases of Digestion

The Small Intestine – An Overview. Part 4 of the 5 Phases of Digestion The small intestine or small bowel is a highly convoluted tube, in the digestive tract, that absorbs about 90% of the nutrients present in the food we eat. It’s also the largest and... read more

Natural Constipation Remedies

Natural Constipation Remedies, in order of aggressiveness, from 1 to 10 1. This is the gentlest of all of the natural constipation remedies and is one of my favorites. I usually combine this with remedies 2 and 3, for greater effect. Combine 1 cup of warm water with... read more

5 Simple Actions to Assist You in Making or Keeping a Commitment

5 Simple Actions to Assist You in Making or Keeping a Commitment My Friday Five Hi All! Here is your weekly dose of “The Friday Five,” a list of what I’m enjoying, pondering or undertaking. —– The most successful way to make your wants, dreams, resolutions... read more

Salt a Killer or Lifesaver?

Salt (sodium chloride) – Killer or Lifesaver. Ponder these 5 points and judge for yourself. You and I have been told for many years now, to stave off high blood pressure and heart disease, and for overall better health, “drink your body weight, in ounces... 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.