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30 Years
experience
Your Partner in Functional Medicine & Holistic Healthcare
Natural Healthcare & Diagnostics, established in Raleigh, NC in 1996, is a pioneering holistic practice specializing in Functional and Precision Medicine. Led by Dr. Karen Carrick, a seasoned practitioner with over 25 years of experience, we prioritize personalized care rooted in advanced diagnostics and natural treatments. Our approach focuses on identifying root causes of chronic conditions, leveraging comprehensive lab testing, genetic analysis, and targeted therapies to restore systemic balance. With expertise in thyroid disorders, gut health, hormonal imbalances, and chronic pain, we empower patients through evidence-based, patient-centered solutions.

Our commitment to ongoing educationbacked by over 3,000 hours of post-doctoral trainingensures cutting-edge care. By integrating functional medicine with lifestyle interventions, we foster sustainable wellness for patients seeking alternatives to conventional treatments. Our transparent, compassionate methodology reflects a dedication to both clinical excellence and individualized patient journeys.
Services
Functional Medicine Thyroid Care Gut Health Testing Allergy Treatment Pain Management Hormonal Balancing Genetic Testing Detox Programs Nutritional Counseling Immune Support
Details
  • Year established: 1996
Highlights and features
  • We provide personalized functional medicine based on 25+ years of clinical experience
  • Our advanced diagnostics uncover root causes that standard tests miss
  • We combine genetic testing with lifestyle modifications for targeted treatments
  • Our holistic approach addresses systemic interactions rather than isolated symptoms
  • We offer thorough patient education and evidence-based natural interventions
What people say
Genuine well-being Changed my life Thorough diagnostics Compassionate care Effective solutions
Services
Functional Medicine
Our functional medicine approach identifies root causes of chronic illness through comprehensive lab testing and personalized treatment plans. We address systemic imbalances by integrating genetic, environmental, and lifestyle factors. This science-based methodology restores cellular function and metabolic efficiency for lasting wellness.
Thyroid Care
Specialized thyroid treatment addresses Hashimoto's and Graves' disease through advanced hormone panel analysis and immune modulation. We optimize thyroid function using targeted nutrients, dietary interventions, and stress management techniques to restore metabolic balance.
Gut Health Testing
Comprehensive GI assessment identifies food sensitivities, microbial imbalances, and leaky gut through organic acids and stool analysis. Personalized protocols repair intestinal lining integrity while restoring beneficial microbiota for improved immune and neurological function.
Pain Management
Our multi-modal pain treatment combines frequency-specific microcurrent, muscle testing, and nutritional support to address nerve dysfunction and inflammation. This non-invasive approach normalizes cellular communication and reduces systemic inflammation without pharmaceutical dependence.
Genetic Testing
Genetic variant assessment identifies metabolic weaknesses affecting detoxification and hormone regulation. Personalized supplementation plans target specific gene polymorphisms to optimize methylation pathways and cellular energy production for improved long-term health outcomes.
People
Dr. Karen Carrick
Founder & Functional Medicine Practitioner
Dr. Carrick has practiced functional medicine since 1996 after receiving her chiropractic degree. With over 3,000 hours in post-doctoral functional medicine training, she specializes in complex chronic conditions using precise diagnostics and natural interventions.
Jeannie Jones
Office Manager
Jeannie brings medical family experience and administrative expertise to patient care coordination. With prior hospital management background, she ensures smooth operations while maintaining compassionate patient interactions in our holistic practice environment.
Jesse Locklear
Massage Therapist
Jesse combines clinical lab science background with therapeutic massage expertise. Certified in multiple modalities, she specializes in lymphatic drainage and stress reduction techniques that complement our functional medicine approach to chronic condition management.
Questions
What is functional medicine and how is it different?
Functional medicine identifies root causes through comprehensive testing and personalized treatment, unlike conventional care that often masks symptoms with medications.
Do you treat both thyroid and hormonal imbalances?
Yes, we specialize in thyroid dysfunction and female hormonal issues through advanced testing and natural interventions that address systemic interactions.
How does genetic testing improve treatment outcomes?
Our DNA analysis reveals metabolic weaknesses that guide personalized supplementation and lifestyle modifications to optimize cellular function and long-term health.
What gut health diagnostics are available?
We offer comprehensive stool analysis, food sensitivity testing, and leaky gut assessments to create personalized gut healing protocols using natural interventions.
Can chronic pain be treated without medication?
Our non-pharmaceutical pain management combines frequency-specific microcurrent, muscle testing, and nutritional support to address nerve dysfunction and inflammation naturally.
Reviews (6)
Laura Carbonell
Jul 15, 2021 Report
In all my years of visiting doctors I have never received such careful, attentive, and intelligent care. Dr. Carrick is a gift and a Godsend. I had been having some health issues for years that were not helped by traditional medicine and I wanted to treat naturally. Dr. Carrick was recommended to me by a friend. After a phone consultation I went through a series of tests. At my in office visits she thoroughly explained everything to me, took time to answer my many questions, and has helped me tremendously. She really cares and it shows. I am feeling so much better, and I am so thankful I went to
Natasha White
Mar 19, 2021 Report
Please excuse the long review, but to recommend, I must explain. Dr. Karen has been a saving grace in my time of need. Earlier this year I knew something was off in my body; I did online research and, through a website of Dr. Wentz, found Dr. Carrick. I made an appointment and, while waiting to meet, kept feeling myself going downhill. I called before the meeting and asked if I could get the requisition to get my labs completed. I went on a Friday, and on Saturday (before even meeting her), Dr. Carrick called me personally, explained that my levels were off, and made recommendations. So far, three
Lt Sn Ww
Aug 03, 2020 Report
I found Dr Carrick by chance however I was skeptical at first as I am with anyone when it come to my health. Reason being if you name it Ive done it, if you name them Ive seen them and the result were them same. A waste of money but most important a waste of my time which I can not get back. Ive have had a traumatic life and a whole host of health issues. One in particular is back problems I had surgery in 2012 and after the surgery I have atrophy of the whole left leg, numbness in the calf, heel, and toes. I was in constant pain since 2012 that ran down the sciatica with associated edema
Omaris Cantillo
Jan 22, 2020 Report
Excellent care!!! I am 56 years old and I've suffered from migraines, muscle tension, celiac disease, insomnia, IBS and a number of other illnesses. I am amazed and elated to say that I can eat what I want when I want. I'm mindful, of course, of the things that can cause the body harm. There are things that are detrimental to our health so with that in mind I push forward and continue my care with Dr. Carrick. She, in my opinion, is one of the best doctors I have ever come across! it's been such a tremendous blessing to have her in my life. I can't top telling people about her! I want everyone
Ellye W.
Oct 15, 2018 Report
Dr. Carrick has worked wonders on me, my family and friends. She is able to listen to the body and get to the root of physical and even some mental stresses. I highly recommend her for anyone with chronic pain, sleep problems, injuries, dietary concerns and even intense/abnormal menstrual cycles due to hormonal imbalances.
Denise P.
Sep 10, 2017 Report
Dr. Carrick's knowledge and application of applied kinesology is remarkable and has significantly helped my daughter with histamine issues, adrenal fatigue, and MTHFR gene mutation treatment. My daughter was in pain for a long time and she finally had a breakthrough due to Dr. Carrick's expertise. I highly recommend seeing her especially when regular medicine no longer have any answers.