Are you looking for a better approach to your healthcare?

  • Want a doctor who will take the time to listen?
  • Want a doctor who will find the cause of your problem?
  • Want a doctor who will get you real results?

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What would you like help with today?

Pain Relief Orange CountyGet rid of your pain

Adrenal Fatigue Orange CountyEnd your Fatigue

Hypothyroidism Orange CountyFix your Thyroid

IBS Orange CountyFix your digestion

Diabetes Care Orange CountyLower blood sugar

You can start feeling better today!

The Functional Medicine Center in Irvine was founded by Dr. Steve Hyjek to provide comprehensive natural healthcare solutions using testing, treatments, and therapies that are truly on the next level. Your first visit will begin with a consultation so Dr. Steve can learn about the individual challenges you are experiencing. By spending quality time listening to your history and assessing the lifestyle, environmental, and genetic factors that have shaped your health, we are then able to perform precisely the right tests to identify and treat the root of your problem.

Offering a wide variety of services including Functional Medicine, Advanced Functional Lab Testing, Chiropractic care utilizing traditional and low-force Chiropractic techniques,  Clinical Nutrition, Low-Level Laser therapy, Thai Massage and Sports Medicine, The Functional Medicine Center helps men, women, and families in all stages of life. Designed for client’s who desire real solutions and real results, The Functional Medicine Center is Orange County California’s premier destination for modern healthcare.

Call us now at 949-424-3962

We are pleased to announce that we were voted as a winner of the best Chiropractor in Irvine, CA for 2015

Do you want personalized healthcare that is designed to address
your unique challenges and help you achieve YOUR GOALS?

Call us today at 949-424-3962

What our patients are saying about us

"I'm already beginning to feel better than I ever thought I could"

I honestly cannot say enough good things about Dr. Steve Hyjek. I came to Dr. Steve about two months ago with a new diagnosis of Hashimoto's Thyroiditis and a diagnosis of Polycystic Ovarian Syndrome that I'd had for years. I was experiencing numbness and tingling in my face and hands. I was putting on extra weight although I hadn't changed my lifestyle. My energy was so low that I constantly needed a nap--and a lot of caffeine. I constantly felt like my brain was foggy and it was hard to concentrate. I had chronic neck pain that three other chiropractors and regularly massage therapy had done nothing to alleviate. I had bloating and digestive issues. And I was experiencing high levels of anxiety even though my life was relatively calm. Frankly put, I was a mess.

Dr. Steve was very thorough in the tests he conducted before treating me--and I really appreciated that. Because of his thoroughness he discovered I had a parasite (yikes!) and a condition known as Adrenal Fatigue in addition to my Hashimoto's and PCOS. He also noticed my head was positioned an inch and a half forward of where it should be causing it to put 30 pounds of pressure on my neck (no wonder I had chronic pain!) Within 30 days of beginning treatment with Dr. Steve, my head was successfully moved back half an inch, reducing the pressure on my neck noticeably. My brain fog was completely gone, my anxiety greatly reduced, my numbness and tingling almost non-existent, and my energy levels so improved that my husband actually looked at me and said, "It's so nice to see you being who I always knew you were inside." I'd lost some weight too--and felt like an entirely new person in many ways.

Because of the extent of my ailments, I will still be seeing Dr. Steve for a long time to come. But I couldn't go another day without singing his praises because after such a short amount of time I'm already beginning to feel better than I ever thought I could. If you're thinking of giving him a call, don't hesitate. Do it right now.

Shannon P.

"He treats the cause, not the symptoms"

Dr. Steve is amazing!!! I was recently referred to him from a friend from home in MN where he had a very well established practice. I have had several adjustments from him now and feel very confident in his abilities. I even have him adjust my little 1 year old girl.I normally go to a chiropractor that does the same adjustments to me every time I see him....Not the case with Dr. Steve! He adjusts me differently every time based on my chief complaint. He also has a large bag of tools to assist a low level tissue laser. so cool! That has worked wonders on my husbands sprained ankle!

He is a wealth of knowledge as well! He is always telling me about new research that is out. And on top of all that, he is working with my on my weight loss goals....and not just with another silly diet. He is looking at my HORMONE levels! He treats the cause, not the symptoms.  He treats everything from cholesterol to depression. Try him out, you won't be disappointed!!

Chrissy Z.

"Within a couple of months I was close to symptom free for the first time in over 2 years!"

I am relatively new to the area and found Dr. Steve during a search for a Functional Medicine practitioner in Orange County.  I worked for more than a year with endocrinologists, my GP and endured lots of tests.  I was finally diagnosed with Hashimoto's and honestly these traditional practitioners were unable to help alleviate any of my symptoms.

As a 53 year old woman, I came to Dr. Steve with chronic joint pain, low back pain, general edema, fatigue and insomnia.  Within a couple of months I was close to symptom free for the first time in over 2 years!  His approach to diagnosis and treatment was clear and easy to follow.  I've always been skeptical about using supplements, but I can actually feel the benefits of the treatment program I've been on.  I also appreciate how open to feedback Dr. Steve is - he doesn't force a particular approach if it isn't working for me.  He is very well read and always seems headed to the latest training or is talking about some recent research that could have bearing on my treatment.

Finally, I'd just like to say that Dr. Steve is one of the nicest people I've worked with in any capacity.  I couldn't recommend him more, whether it's for a routine adjustment or a full workup.

Andrea D.

"I have reversed my diabetes, lost 50 lbs. and am off all medications"

Dr. Steve has been my Functional Medicine doctor since April of this year.  I came to him because I was a diabetic suffering from peripheral neuropathy.  I had also suffered for years with acid reflux, bloating and stomach cramps and a poorly functioning thyroid.  Through supplements and dietary counseling I have reversed my diabetes, lost 50 lbs. and am off all medications for diabetes, neuropathy and acid reflux.  I feel better than I have in 20 years and have more energy than I have ever had, all thanks to Dr. Steve.  I highly recommend this caring, knowledgeable doctor.

Wendy H.

You satisfaction is guaranteed!

If you are not satisfied by the level of service and expertise that we provide during your consultation and evaluation, then you pay nothing for your visit.

Call now to schedule: 949-424-3962

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The Functional Medicine Center
2081 Business Center Drive Suite 175
Irvine, CA 92612

The Functional Medicine Center serves clients all over Orange County including Irvine, Costa Mesa, Newport Beach, Tustin, Laguna Beach, Mission Viejo, Aliso Viejo, Santa Ana. Long Beach, and more. We also provide consultations for out of town clients by phone or Skype.