Functional medicine & natural health care · South Tampa
We help people unlock their health with a proven process that doesn't require medication or surgical intervention.
It's more than just understanding illness. It's about understanding wellness. Physicians blend Functional Medicine and Holistic approaches along with healing therapies to maximize your healing


Our Lifelong Dedication to Care
Helping you discover optimal health
Drs. John and Alexa Parker, D.C. are chiropractic physicians with over 300 post graduate hours in functional neurology and over 300 hours in functional nutrition. They have always focused on treating chronically ill patients through functional lab testing protocols in order to get to the cause of your health condition. They have been in private practice in Tampa since 2004.
Meet the doctorsOur services
The Parker Rapid Recovery System
Our signature program has been continually refined for decades so that every patient gets the best results possible.
Chronic Illness Solutions
Care for complex, long-term health problems that have not responded to the usual approach.
Learn more →Functional Health Testing
Comprehensive blood analysis, cortisol and hormone testing, and food sensitivity panels.
Learn more →Detox Program
A guided, multi-approach detox plan to support your liver, gut and energy.
Learn more →Nutritional Consultations
Whole-food nutrition and targeted supplements, matched to your test results.
Learn more →Conditions we help
Find the root cause, not just relief
How it works
Your path to better health
Proven Process
All of our care programs are based on years of proven scientific research and studies so that you can get better quickly.
100% Personalized
Your health is based on your life. So why would a plan for someone else be right for you? We personalize every plan to get the best results.
A Realistic Plan
Unlike other programs that force you to completely change your life, we help you make the most important changes with small steps.
...and it works!
With decades of success and thousands of happy patients, we're thrilled to be Tampa's choice for natural health and wellness care.
The Web of Physiological Dysfunction
Watch this before you come to see us.
You’ve tried a million other things. Now try something different. The Parker Nutritional Healing Program gets results where medications, surgical interventions, and fad dieting fall short. Our thousands of happy patients with often near-miraculous changes prove that we are the go-to clinic for people who want to feel better and stay that way.
Start with a new patient visit
Tampa area residents speak out
Real patients. Real results.

Alice shares her health recovery in 6 short weeks and how her hair isn't falling out now! Watch her incredible story and call Parker Nutritional Healing Center to find YOUR relief today!

Bailey went to 10 different doctors looking for relief for an autoimmune disease and was told she would be sick for the rest of her life. After a 6-week whole-food nutritional protocol, Bailey sleeps better and feels "normal" for the first time in a long time.

Laurel came to Parker Nutritional Healing with brain fog and low energy. A Hashimoto's diagnosis gave Dr. Parker the ability to form a plan to address the root cause of Laurel's problems. Today, she's energetic and ready for each new day!

Sleeplessness, Hashimoto's & Much More
Meghan came to Parker Nutritional Healing Center 10 weeks ago with a long list of health problems - exhaustion, depression, anxiety, stomach pains, weight gain, Hashimoto's disease and insomnia. Within the first week of seeing us, she started feeling better!

Skin Conditions & Lyme Disease
Jamie shares her success story of how in just five weeks she was able to start overcoming her acne, chronic fatigue, inflammation, skin rashes and Lyme co-infections with the help of Parker Nutritional Healing Center.

Chronic Pain Elimination
Nancy was having so much trouble in her leg after hip surgery that she would wake up at night in intense pain. She couldn't even move her leg without assistance. She shares her success story of how in just one month, she was able to overcome her pain and brain fog associated with it thanks to the help of Parker Nutritional Healing Center.
Healing Happens Here.
Get started with our $79 new patient special.
Our new patient special includes:
- Complete initial exam
- Full health history review
- 1-on-1 consultation with Dr. Parker
- Personalized Healing Roadmap
Visit us
4343 West Henderson Blvd, Tampa, FL 33629
(813) 254-5200 · drjohn@synergyfixme.com
Office hours
- Monday: 9:00am – 5:00pm
- Tuesday: Closed
- Wednesday: 9:00am – 5:00pm
- Thursday: 9:00am – 5:00pm
- Friday: Closed
- Saturday: Closed
- Sunday: Closed
