Why Am I Always Tired? The Root Causes of Chronic Fatigue

By Dr. John C. Hargrove, DC Doctor of Chiropractic · Life University | Published Endocrinology Researcher · 27 Years Clinical Practice

You sleep eight hours and wake up exhausted. Coffee gets you through the morning, but by 2pm you're running on empty. You've been told your labs are normal, but something clearly isn't right. Fatigue that sleep doesn't fix is a signal — and it almost always has a root cause that can be found and addressed.

Fatigue Is a Symptom, Not a Diagnosis

One of the most common mistakes in conventional medicine is treating fatigue as if it were a condition in itself. It isn't. Fatigue is a symptom — the body's way of signaling that something in its underlying biology is out of balance. The question isn't "how do I have more energy?" The question is "why is my body not producing energy efficiently?"

The Most Common Root Causes

The most frequent drivers of chronic fatigue I find are: thyroid dysfunction (especially low free T3), adrenal dysregulation, mitochondrial inefficiency, iron deficiency or anemia, blood sugar dysregulation, and chronic low-grade inflammation. Sleep disorders and nutritional deficiencies — particularly B12, vitamin D, and magnesium — are also common contributors. Most of these are invisible on a standard annual blood panel. All of them are findable with the right testing.

What a Root-Cause Evaluation Looks Like

When a patient comes to me with chronic fatigue, I start with their story. How long has this been going on? What makes it better or worse? What have they already tried? Then I run a comprehensive panel that goes well beyond what a standard physical includes. The goal is to find the specific biological reason this particular patient is fatigued — because the answer is different for every person.

Book a functional medicine consultation here — bring any previous lab work you have.

If you're not local to Savannah, telehealth consultations are available at PeptidesYourWay.com.

Frequently Asked Questions

• Why am I always tired even after sleeping?

  • Fatigue that sleep doesn't resolve is almost always caused by an underlying biological imbalance — thyroid dysfunction, adrenal issues, blood sugar dysregulation, nutritional deficiency, or inflammation. A comprehensive functional medicine evaluation can identify the specific cause.

• What blood tests check for fatigue causes?

  • A thorough fatigue panel includes a complete thyroid panel, cortisol, complete blood count, iron studies, vitamin D, B12, fasting glucose and insulin, and inflammatory markers.

• Can peptide therapy help with fatigue?

  • Physician-prescribed peptide protocols can support cellular energy production and mitochondrial function. Learn more at PeptidesYourWay.com.

• Is Dr. Hargrove accepting new patients in Savannah, GA?

  • Yes. Call 912-355-3185 or book online at hhcofsavannah.com.

• Where is Holistic Health Center of Savannah?

  • 100 Commercial Court, Suite B, Savannah, GA 31406. Telehealth available nationwide at PeptidesYourWay.com.