Hashimoto's
“Exhaustion, anxiety & insomnia — better in the first week”
— Meghan, Tampa patient
Functional & root-cause medicine · Tampa, FL Real answers.
Real answers.
Natural healing.
No dismissals.
If you've been told your labs are “normal” but you still feel exhausted, foggy, or unwell — you're not imagining it. We find the root cause your other doctors missed, and build a plan that doesn't rely on lifelong medication or surgery.
- ★★★★★ 4.7 average rating
- Caring for Tampa since 2004
- Same-week appointments
Since 2004
Caring for chronically ill Tampa patients
600+ hrs
Post-graduate functional neurology & nutrition
4.7★
Average patient rating
$79
New patient first visit
What we help with
Conditions we get to the root of
Most of our patients arrive after years of being dismissed. These are the patterns we uncover every day.
Thyroid & Hashimoto's
Still exhausted, foggy, or gaining weight even though your labs are “normal” and you're on medication? We look at the full thyroid picture, not just TSH.
Explore → Chronic Fatigue & Brain FogWiped out no matter how much you sleep, and every doctor says you're fine? We look for the thyroid, adrenal, and gut drivers behind unexplained fatigue.
Explore → Gut Health · IBS · SIBOBloating, pain, and irregularity that no GI plan has fixed? We test for SIBO, food sensitivities, and gut-barrier issues and connect them to the bigger picture.
Explore → Anxiety & SleepWired but tired, anxious without a clear cause? Anxiety and sleeplessness often trace back to the gut, thyroid, and hormones — not just your brain.
Explore → Autoimmune DiseaseWhen your immune system is attacking your own body, we look for the underlying triggers — infections, food, gut, and toxins — driving the flare.
Explore → Adrenal & Hormone HealthBurnout, crashes, stubborn weight, and mood swings often point to adrenal and hormonal imbalance that standard panels miss.
Explore →★★★★★
He gets to the root cause of all conditions.
“He listens to his patients' concerns and never rushes through an appointment. I believe he truly cares about his patients.”
Our approach
We look deeper than a single number
Conventional care manages a lab value. We look at how your whole body is actually working — thyroid, gut, adrenals, hormones, nutrition, and inflammation — and how those systems connect.
- Comprehensive functional lab testing, not just a basic panel
- Unrushed visits — time to understand your full story
- A personalized, realistic plan built around your life
- A path that doesn't default to lifelong medication
Drs. John & Alexa Parker — add headshot
Meet your doctorsMore about the practice
Care from Drs. John & Alexa Parker
Drs. John and Alexa Parker are chiropractic physicians who have spent two decades helping chronically ill patients in Tampa find answers — with over 600 combined post-graduate hours in functional neurology and functional nutrition.
Dr. John Parker, D.C.
Functional Medicine Physician
Leads day-to-day patient care, focused on uncovering the root cause behind thyroid, autoimmune, and chronic conditions.
Dr. Alexa Parker, D.C.
Functional Medicine Physician
Specializes in functional nutrition and the gut–thyroid–hormone connection, building personalized healing plans for each patient.
Real patients
Stories of getting their life back
Autoimmune
“Told she'd be sick for life — now feels normal again”
— Bailey, Tampa patient
Hyperthyroidism
“Got her life back in two weeks with food-based supplements”
— Valerie, Tampa patient
Frequently asked questions
Do you have endocrinologists on staff?
No. Drs. John and Alexa Parker are chiropractic physicians with advanced training in functional nutrition and functional neurology. We are a functional-medicine practice that offers a root-cause second opinion for people with thyroid, hormonal, and endocrine-related conditions — a different approach than a conventional endocrinologist, focused on finding and addressing underlying drivers.
Why do I still feel terrible when my labs are “normal”?
“Normal” lab ranges are wide, and a single in-range number rarely tells the whole story. We look at the full picture — for the thyroid that can mean T3, T4, reverse T3, and antibodies, plus gut, adrenal, and nutritional markers — to understand why you don't feel like yourself.
What happens at the $79 first visit?
Your first visit includes a complete exam, a full review of your health history, a one-on-one consultation with Dr. Parker, and a personalized healing roadmap.
Do you take insurance?
We are a self-pay practice and do not bill insurance. This lets us spend 45–60 minutes with you and build a plan around your whole health. Many patients use HSA/FSA funds.
Where are you located?
We're at 4343 West Henderson Blvd, Tampa, FL 33629, in South Tampa — convenient to Palma Ceia, Hyde Park, Davis Islands, Brandon, Riverview, and St. Petersburg.
You've tried a lot of things. Now try something different.
Start with a $79 new-patient visit — a complete exam, full health-history review, and a personalized healing roadmap. Same-week appointments available.