About

About Tri Force Chiropractic

Located in O'Fallon, Illinois

Reliable Chiropractic Services

Tri Force Chiropractic is dedicated to providing the highest standard of wellness care in O’Fallon, Shiloh, Belleville, Lebanon, IL, and the neighboring communities. We prioritize natural methods to promote the health and wellness of you and your family. Our clinic offers a cozy, family-friendly environment where our team strives to make you feel completely at home. An integral part of our service at Tri Force Chiropractic involves educating each patient during their visit about their health and ways to attain optimal wellness.


Our aim is to enhance your body's natural ability to heal and maintain health without relying on medications or surgical interventions. To schedule your appointment at Tri Force Chiropractic, please contact us today!

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Sound Like You?

If any of these scenarios resonate with you, you're certainly not alone. At Tri Force Chiropractic, we encounter these situations frequently:


  • Individuals who assumed their pain would naturally subside, yet it persisted.
  • Patients who made multiple doctor visits, only to be advised to "just rest" and hope the pain would dissipate.
  • People who have tried "traditional" chiropractic, massage therapy, or physiotherapy, where they received brief treatments, followed by standard applications of ice or a stim unit, and then were handed a set of generic exercises not tailored to their specific needs.
  • Those who have attempted solutions like foam rolling, using a hot tub, or following exercise routines found on YouTube, yet found no lasting relief.
  • Individuals who tried to continue exercising or playing sports despite the pain, which only aggravated their condition.
  • Some who were told by friends or family that such discomfort is a normal part of aging, leading them to accept it as an inevitable aspect of life.


At Tri Force Chiropractic, we understand these frustrations and are here to offer a different approach to help you achieve genuine, long-term relief.

About Eric Toennies

Chiropractor

I have always been deeply committed to promoting optimal health through natural, noninvasive healthcare practices that focus on preventing illness. My dedication to chiropractic stems from its potential to restore health and enhance the quality of life within the community.


Unlike many professionals who treat the body from the outside in, my practice focuses on treating the body from the inside out, allowing it to achieve balance and begin healing effectively. I strive to identify and address the root cause of health issues, rather than merely treating symptoms.


We understand that some people may be uncertain about which therapy is suitable for them. You might doubt whether it will be effective, question if we can address your specific concerns, or perhaps you've had a negative experience in the past. If this describes your situation and you're interested in learning more, I encourage you to schedule a call with Dr. Eric. He can answer all your questions. Simply fill out our online form to request a callback today.

We Love To Help You!

  • Stay active so you can keep up with your kids throughout the day, enjoy a weekend golf game, or attend your regular yoga class.
  • Remain free from reliance on painkillers; they only mask symptoms without addressing the underlying issue and aren't beneficial for long-term health.
  • We'll help you identify the problem, ensure it's correctly resolved, and heal properly, providing you with an optimal exercise routine to accelerate your recovery.
  • Avoid the potential need for surgery by addressing the root cause of your issues quickly—often within just 20 minutes.
  • Enjoy life more fully and spend quality time with friends and family, plus achieve a better night's sleep without discomfort or restlessness.


At Tri Force Chiropractic, our passion is helping people return to a life free from chronic aches and pains. Fill out our easy online form to begin with a FREE discovery call. We’re eager to answer any questions you may have.

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Why Choose Us?

Local Military-Affiliated Chiropractic Office

Five Chiropractic Techniques

Same-Day Appointments Available

Serving Patients in O'Fallon, IL Since 2018

FREE Discovery Calls for New Patients

HSA and Flex Spending Accepted

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