Root Cause Fatigue Care
Functional Medicine Treatment for Chronic Fatigue: Finding What Standard Labs Miss
Persistent exhaustion that doesn’t improve with rest is one of the most common reasons patients come to Monarch Functional Medicine, and most have already been told their labs are normal. Functional medicine treatment for chronic fatigue tests the systems standard bloodwork skips: thyroid conversion, adrenal function, and nutrient status. Julie McDonald, MMS, PA-C, FMACP, sees patients in-person in Marquette, MI and virtually in Michigan through the 12-Week Reset. The 12 Week Reset is our foundational program, and where every patient begins. Comprehensive bloodwork (including hormones) and genetic testing give us a clear picture of what’s driving how you feel — so we can build your specific plan across Nutrition, Sleep, Stress, Supplements, and Mindfulness, the foundation functional medicine builds on.
Years of clinical experience
Testing the Most Common Causes
Chronic Fatigue Testing That Covers What Standard Bloodwork Misses
Persistent fatigue most often traces to some combination of thyroid conversion issues, adrenal dysregulation, nutrient depletion, gut dysfunction, or hormonal imbalance. Functional medicine treatment for chronic fatigue tests all of these directly, combined with genetic testing. Available in Marquette, Michigan and through fully virtual consultations in Michigan.
- Full thyroid panel including Free T3 and Reverse T3, not just TSH
- Adrenal and cortisol pattern testing to evaluate HPA axis function
- Nutrient testing for ferritin, vitamin D, and B12, common hidden causes of fatigue
- Personalized protocol addressing thyroid, adrenal, gut, and nutrient status together
Is This Right for You
Functional Medicine Treatment for Chronic Fatigue Is for People Who Have Been Told Their Labs Are Normal

Exhausted No Matter How Much You Sleep
Fatigue that persists despite adequate sleep points to a physiological cause, not a sleep hygiene issue.

Running on Caffeine Just to Function
Needing caffeine to reach a normal baseline, rather than for a boost, suggests an underlying energy production problem.

Crashing in the Afternoon Every Day
A predictable energy crash often reflects cortisol or blood sugar patterns that can be tested and corrected.

Already Had Standard Bloodwork With No Answers
A normal CBC and basic metabolic panel do not rule out thyroid conversion issues, adrenal dysregulation, or nutrient depletion.

Fatigue That Started With a Major Stressor or Illness
Post-viral or post-stress fatigue patterns often involve HPA axis and adrenal changes worth evaluating directly.

Remote Patients Seeking Expert Care
We offer complete virtual chronic fatigue care in Michigan, with labs coordinated locally and consultations via telehealth.
Over 22 years of medical experience ★★★★★
The Monarch FM Process
How We Approach Functional Medicine Treatment for Chronic Fatigue at Monarch FM
Chronic fatigue is rarely explained by a single lab value. Our process tests across the systems most commonly responsible, thyroid, adrenal, gut, and nutrient status, then builds a protocol around what we actually find.
- 22 Years of Clinical Experience
- MMS | PA-C | FMACP Certified Provider
- In-Person in Marquette, MI | Virtual in Michigan
Comprehensive Fatigue Panel and Genetic Testing
We test full thyroid function, cortisol patterns, ferritin, vitamin D, and B12, combined with genetic testing for energy metabolism pathways.
Identifying Your Specific Pattern
Julie McDonald determines which combination of factors, thyroid, adrenal dysregulation, or gut dysfunction, is driving your fatigue.
Personalized Energy Restoration Protocol
Your protocol targets the identified drivers directly, combining nutrient repletion, adrenal and thyroid support, and lifestyle strategy built around your labs.
Ongoing Monitoring and Adjustment
We retest key markers at intervals and track energy levels alongside InBody 570 body composition to confirm your protocol is working.
Why Monarch Functional Medicine
Chronic Fatigue Has a Cause. 'Normal Labs' Isn't the End of the Story.
Most patients who come to Monarch Functional Medicine for fatigue have already been told their labs look fine. Related pages include brain fog, adrenal fatigue, thyroid treatment, and low energy in men. Read more in our article on the missing link between normal labs and persistent symptoms.
Questions & Answers
Frequently Asked Questions
What causes chronic fatigue?
Chronic fatigue most commonly traces to some combination of thyroid conversion issues, adrenal dysregulation, nutrient depletion, gut dysfunction, or hormonal imbalance. Functional medicine treatment for chronic fatigue tests all of these systems directly rather than checking a single marker. At Monarch Functional Medicine, this includes comprehensive lab testing and genetic analysis, available in Marquette, Michigan and virtually in Michigan.
How is this different from a standard fatigue workup?
A standard workup typically checks a CBC, basic metabolic panel, and TSH. Functional medicine testing for chronic fatigue adds Free T3, Reverse T3, cortisol patterns, ferritin, vitamin D, and genetic testing, frequently revealing patterns standard testing misses entirely.
Can thyroid problems cause chronic fatigue even with normal TSH?
Yes. TSH can fall within range while Free T3 is low or Reverse T3 is elevated, both of which impair energy production at the cellular level. See our thyroid treatment page for a full explanation of thyroid-related fatigue.
Can chronic fatigue be treated virtually?
Yes. Monarch Functional Medicine offers complete virtual fatigue care in Michigan. Lab work is coordinated through a draw site near you, with consultations conducted via telehealth.
How long does it take to feel less fatigued?
Most patients notice initial improvement within 4 to 8 weeks of starting a personalized protocol, with continued gains through the 12-Week Reset (The 12 Week Reset is our foundational program, and where every patient begins. Comprehensive bloodwork (including hormones) and genetic testing give us a clear picture of what’s driving how you feel — so we can build your specific plan across Nutrition, Sleep, Stress, Supplements, and Mindfulness, the foundation functional medicine builds on), as underlying deficiencies and imbalances are corrected.
Do I need a referral?
No referral is required. You can book a free 15-minute strategy call directly to discuss your symptoms and testing options.
What does treatment cost?
Care begins through the 12-Week Energy, Hormone and Metabolism Reset (The 12 Week Reset is our foundational program, and where every patient begins. Comprehensive bloodwork (including hormones) and genetic testing give us a clear picture of what’s driving how you feel — so we can build your specific plan across Nutrition, Sleep, Stress, Supplements, and Mindfulness, the foundation functional medicine builds on), priced at $849 paid in full or three payments of $297, with additional lab testing available as needed.
What qualifies Julie McDonald to treat chronic fatigue?
Julie McDonald holds a Master of Medical Science (MMS), is a board-certified PA-C with the FMACP designation, and has 22 years of clinical experience, with chronic fatigue among the most common concerns she treats. Learn more on the About Us page.
Patient Results
Hear from patients directly
Real stories from real patients.
Get immediate access to the full program.
The Monarch FM Standard
Clinical Expertise. Advanced Testing. A Protocol Built for You.
Julie McDonald is a MMS, PA-C, and FMACP with 22 years across Emergency, Family, and Internal Medicine. Monarch Functional Medicine runs the labs most providers never order, interprets them through a functional medicine lens, and builds a protocol specific to your biology. Learn more about Julie or book a free strategy call today.
Ready to Start
You're Not Imagining It. Let's Find What's Behind the Exhaustion.
Functional medicine treatment for chronic fatigue at Monarch FM tests the systems standard labs skip, then builds a protocol around what we find. See us in person in Marquette, MI or work with us virtually from anywhere in Michigan.
Join hundreds of patients who have reclaimed their energy, hormones, and health.