Why Am I So Tired All the Time? A Bioenergetic Look at Chronic Fatigue

Last Updated: August 28, 2026 | Reading Time: 10 minutes | Author: Samantha Stupak | Reviewed by Dr. Wendy Ormsby, Doctor of Chiropractic

You’re sleeping eight hours a night. You’re eating reasonably well. But you wake up exhausted, drag through the day, and crash long before dinner. 

If “just rest more” hasn’t worked, there’s a reason.

Profound, persistent fatigue isn’t laziness, and it isn’t simply stress. For millions of people, it’s a signal that something deeper is going on at the cellular level, in the very systems your body uses to produce energy.

This is where many people begin looking beyond standard testing for additional wellness insights, and where bioenergetic testing offers a different perspective.

What Is Chronic Fatigue And What It Isn’t

Tiredness after a long day is normal. Chronic fatigue is different.

Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is recognized by the CDC and major global health organizations as a complex, multi-system biological illness. (1)

 The hallmark features include:

• Profound, unrelenting fatigue lasting six months or more that is not explained by another condition
• Post-Exertional Malaise (PEM) — a worsening of symptoms after physical, cognitive, or emotional effort, often delayed 24–72 hours (2)
• Unrefreshing sleep — you sleep but don’t feel restored
• Cognitive dysfunction — brain fog, memory issues, difficulty concentrating
• Orthostatic intolerance — feeling worse when standing

The key distinction: chronic fatigue is not caused by insufficient willpower or activity. (2) Research now confirms this exhaustion is driven by measurable biological dysfunction at the cellular level. 

In fact, standard graded exercise therapy, once commonly recommended, has been removed from clinical guidelines because it can worsen symptoms. (3)

The Biology Behind the Exhaustion: A Cellular Energy Crisis

Here’s what makes the bioenergetic perspective on chronic fatigue so compelling — and why it aligns with what CBH Energetics has always focused on.

Mitochondrial Dysfunction

Your mitochondria are your cells’ power plants. They convert oxygen and nutrients into ATP (adenosine triphosphate), your body’s actual energy currency. In ME/CFS, this process is measurably impaired. (2)

A 2026 study published in the International Journal of Molecular Sciences found lower expression of two mitochondrial ribosomal genes (MT-RNR1 and MT-RNR2) replicated across two separate ME/CFS cohorts. (4)
The researchers were candid that consistency across the full gene set was limited and called for larger studies, but the mitochondrial signal itself held up across their analysis.

A 2017 study demonstrated impaired mitochondrial respiration in ME/CFS patients compared to healthy controls. What does this mean practically? When your mitochondria can’t produce enough ATP, your body hits an energy ceiling, not just physically, but cognitively and emotionally, too. (5)

Oxidative Stress

ME/CFS is associated with elevated oxidative stress markers and reduced antioxidant defense. (2) This oxidative burden further impairs mitochondrial function and fuels chronic inflammation, creating a cycle that’s hard to break without targeted support.

Immune Dysregulation and Neuroinflammation

Evidence from ME/CFS research points to disrupted immune signaling, elevated inflammatory cytokines (IL-1β, IL-6, TNF-α), and neuroinflammation visible on PET imaging in some patient cohorts. (6)

Emerging evidence also implicates viral persistence in mucosal tissues, including reactivation of latent viruses like Epstein-Barr, as a contributor to ongoing immune dysregulation and fatigue. (7) This is part of why natural antiviral support is often relevant for people experiencing chronic exhaustion.

HPA Axis and Adrenal Stress

The hypothalamic-pituitary-adrenal (HPA) axis—your body’s stress regulation system—is frequently dysregulated in chronic fatigue states.

 A 2025 steroid-metabolome study found that cortisone emerged as a highly central node in the hormone network of ME/CFS patients compared to controls, suggesting a shift in how the whole steroid system operates together rather than just one hormone running high or low. (8)
Shifts like these can suppress mitochondrial function, disrupt sleep architecture, and feed the exhaustion cycle, which is part of why adrenal symptoms and DHEA patterns often come up alongside chronic fatigue. 

Gut-Brain Axis Disruption

Emerging research highlights the role of the brain-gut axis in ME/CFS, including how gut dysbiosis, compromised intestinal barrier function, and neuroinflammation may interact to drive fatigue symptoms. (9) (10)  This aligns with the frequent co-occurrence of digestive complaints in people with chronic fatigue.

“But My Labs Came Back Normal,” Why Standard Testing Often Misses It

This is one of the most common and frustrating experiences for people with chronic fatigue. Standard blood panels screen for anemia, thyroid disease, and basic metabolic markers, but they don’t assess:

• Intracellular magnesium status (serum magnesium reflects only ~1% of total body magnesium) (11)
• Functional B12 status (serum B12 can be normal while intracellular B12 is deficient)

• Mitochondrial function

• Oxidative stress burden

• Toxin load (mycotoxins, heavy metals)

• Pathogen burden (viral reactivation, tick-borne co-infections)

• Food sensitivities and gut dysbiosis

• Energetic imbalances across organ systems

This is the gap bioenergetic testing is built to explore.

What Does Bioenergetic Testing Reveal About Fatigue?

At CBH Energetics, our bioresonance testing uses hair and saliva samples to build a detailed energetic snapshot of what may be draining your body’s resources. Clients who come to us exhausted often choose our Full Scan, our most popular test, which covers over 2,500 data points. Here is how fatigue may be connected:

• Mineral imbalances — particularly magnesium, which plays a role in ATP synthesis (11)

• Toxin burden — mycotoxins (mold), heavy metals, and environmental chemicals can interfere with mitochondrial function and contribute to oxidative stress. (13)

• Pathogen stress — viral stressors, bacterial imbalances, parasites, and tick-borne organisms that keep the immune system in an energy-costly overdrive

• Hormonal stress — adrenal, thyroid, and sex hormone imbalances frequently emerge alongside fatigue

• Digestive stress — enzyme imbalances, gut dysbiosis, and food sensitivities may interfere with optimal digestion and nutrient absorption in some individuals

• Emotional and nervous system stress — a chronically activated nervous system suppresses cellular energy production
   

These are the kinds of experiences some clients report after identifying areas of imbalance and following their balancing regimen.

The Toxin-Fatigue Connection: What Your Mycotoxin Load May Be Doing

One pattern we see repeatedly in our scans: toxin burden as a major driver of chronic exhaustion.

A frequently cited 2013 study by Brewer and colleagues found that 93% of CFS patients tested positive for at least one mycotoxin in their urine, compared to 0% of healthy controls without mold exposure. Ochratoxin A was detected in 83% of samples, with macrocyclic trichothecenes present in 44%. (13)

Mycotoxins (produced by mold), heavy metals, and pesticide residues directly inhibit mitochondrial electron transport chain complexes, increase oxidative stress, and trigger a sustained immune response that drains energy reserves. Mycotoxins from mold, specifically ochratoxin A and trichothecenes, have been shown to impair mitochondrial oxidative phosphorylation and ATP production, and to directly inhibit mitochondrial translation, both mechanisms that drive oxidative damage at the cellular level.  ⁽¹⁴⁾ 

What the Research Says About Natural Support for Chronic Fatigue

The information below reflects nutritional and supportive approaches explored in research.

Mitochondrial Support

CoQ10 (Ubiquinol form) + NADH: This is one of the better-researched combinations for supporting energy in ME/CFS, with several clinical trials pointing to meaningful reductions in fatigue and improved quality of life. (15) (16) (17)

A 2025 systematic review in Nutrients named it among the more consistently supported options in the supplement research, while noting the evidence base for ME/CFS supplementation overall is still limited by small sample sizes. ⁽¹⁸⁾

L-Carnitine: This amino acid derivative transports fatty acids into the mitochondria, where they’re broken down for energy, which makes it a natural point of interest in chronic fatigue and ME/CFS research. Some patients with chronic fatigue show lower carnitine levels, and research has explored whether supplementation supports mental and physical fatigue as part of a broader approach. (19)

Magnesium: Involved in ATP-producing reactions throughout the body, magnesium is among the more commonly explored minerals in chronic fatigue. Magnesium glycinate (gentle, calming) and magnesium malate (where the malic acid feeds the Krebs cycle directly) are two of the more clinically relevant forms for energy support.

Supporting Nutrients

Methylcobalamin B12: essential for methylation, myelin production, and neurological function; functional deficiency is common even with normal serum levels.

Vitamin D3: widespread deficiency in ME/CFS; vitamin D receptors are expressed in mitochondria and immune cells.

Omega-3 fatty acids (EPA/DHA): support resolution of neuroinflammation and maintain cell membrane integrity.

D-Ribose: the structural backbone of ATP; open-label studies show improvements in energy, sleep, and mental clarity.

TCM & Holistic Approaches

Traditional Chinese Medicine approaches show emerging evidence as adjuncts. A 2026 RCT published in the Journal of Translational Medicine found that Tuina (Chinese manual therapy) combined with usual care produced clinically meaningful improvements in overall and physical fatigue in CFS patients, with additional benefits in anxiety and sleep quality. (20)

Acupuncture has also shown promise in reducing both mental and physical fatigue in ME/CFS.

Energy management, often called pacing, staying within your available “energy envelope,” remains the most widely supported management strategy recognized by NICE guidelines. It means working with your body’s signals rather than around them. (3)

Adrenal Fatigue vs. ME/CFS: Understanding the Overlap

Many CBH clients come to us with symptoms that blur the line between adrenal fatigue, thyroid dysfunction, and ME/CFS. These frequently overlap, and a bioenergetic scan can reveal which body systems are under the most stress, guiding a more targeted approach.

Key differences:

• Adrenal fatigue often presents with morning exhaustion, afternoon crashes, salt cravings, and low cortisol patterns
• ME/CFS is defined by post-exertional malaise, the specific worsening after activity, plus cognitive symptoms and unrefreshing sleep
• Both can coexist with toxin burden, hormonal imbalance, and gut dysbiosis — all of which a bioenergetic scan can help explore

The CBH Energetics Approach

Rather than guessing, our Full Scan gives you a personalized energetic map, identifying the specific imbalances that may be draining your energy. Clients frequently discover:

• Mold/mycotoxin patterns
• Mineral imbalances
• Viral or pathogen stress patterns keeping the immune system in overdrive
• Food sensitivities silently inflaming their gut and robbing their energy
• Hormonal patterns — adrenal, thyroid, or sex hormone imbalances

Practical First Steps if You’re Exhausted

Regardless of where you are on your journey, these foundational steps support cellular energy:

• Respect your energy limits — don’t push through crashes; this can deepen the hole. 

• Prioritize sleep architecture — consistent sleep/wake times support mitochondrial repair.

• Stabilize blood sugar — energy swings from blood sugar crashes compound fatigue

• Investigate your toxin load — mold and heavy metal exposure are underrecognized drivers

• Support your minerals — especially magnesium, B12, and vitamin D

• Consider bioenergetic testing — to identify what’s specifically draining you

❓FAQ About Chronic Fatigue

Is chronic fatigue the same as ME/CFS? 

No. Chronic fatigue is a symptom with many potential causes. ME/CFS is a specific condition requiring post-exertional malaise, unrefreshing sleep, and cognitive impairment or orthostatic intolerance lasting at least six months.

Can bioenergetic testing help with chronic fatigue? 

Bioenergetic testing can help explore energetic stress patterns across body systems, including toxin burden, mineral patterns, pathogen stress, and hormonal patterns, that conventional testing often misses and that may be connected to fatigue.

Does magnesium really help with fatigue? 

Magnesium plays a role in the body’s ATP-producing reactions. Running low, which is common, can affect cellular energy production. 

What’s the difference between adrenal fatigue and chronic fatigue syndrome? 

Adrenal fatigue typically involves HPA axis dysregulation and cortisol imbalances. ME/CFS has a specific clinical definition centered on post-exertional malaise. They can overlap, and both may show up differently on bioenergetic testing.

Q: Should I exercise if I have chronic fatigue? 

Current guidelines caution against standard exercise programs for ME/CFS, since they can trigger post-exertional malaise crashes. Energy pacing, working within your available energy envelope, is the more widely supported approach.

References: 

1. Centers for Disease Control and Prevention. ME/CFS Basics. cdc.gov/me-cfs/about/index.html 
2. Fan J, Jiao J, Chang HQ, Zhong DL, Liu XB, Li J, Chen LM, Jin RJ, Wu X. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS): diagnosis and management. Journal of Translational Medicine. 2025;24:62. doi.org/10.1186/s12967-025-07506-y 
3. National Institute for Health and Care Excellence (NICE). Myalgic encephalomyelitis (or encephalopathy)/chronic fatigue syndrome: diagnosis and management. NICE Guideline NG206. 2021. nice.org.uk/guidance/ng206 
4. Keele GR, Enger M, Barnette Q, Ruiz-Esparza R, Alvarado M, Mathur R, Stratford JK, Giamberardino SN, Brown LM, Webb BT, Carnes MU. Systematic Examination of Gene Expression and Proteomic Evidence Across Tissues Supports the Role of Mitochondrial Dysregulation in ME/CFS. International Journal of Molecular Sciences. 2026;27(4):1997. doi.org/10.3390/ijms27041997 
5. Tomas C, Brown A, Strassheim V, Elson JL, Newton J, Manning P. Cellular bioenergetics is impaired in patients with chronic fatigue syndrome. PLOS ONE. 2017;12(10):e0186802. doi.org/10.1371/journal.pone.0186802
6. Lee JS, Lacerda E, Kingdon C, Abken E, Susannini G, Dockrell HM, Nacul L, Cliff JM. Abnormal T-cell activation and cytotoxic T-cell frequency discriminate symptom severity in myalgic encephalomyelitis/chronic fatigue syndrome. Journal of Translational Medicine. 2025;24:68. doi.org/10.1186/s12967-025-07507-x
7. Perera KD, Cameron P, Sarwar T, Carding SR. Mucosal Viruses in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Missing Piece of the Puzzle? International Journal of Molecular Sciences. 2025;26(22):11161. doi.org/10.3390/ijms262211161
8. Thomas N, Ubhayasekera SJKA, Armstrong CW, Huang K, Bergquist J. Steroid dynamics in myalgic encephalomyelitis/chronic fatigue syndrome. Journal of Translational Medicine. 2025;23:829. doi.org/10.1186/s12967-025-06841-4 
9. Kim DY, Youn J, Kang N, Cho SI, Ha IH. Potential application of brain-gut axis-based treatments in Long COVID and ME/CFS. Journal of Translational Medicine. 2026;24:371. doi.org/10.1186/s12967-026-07807-w 
10. Hsu CY, Ahmad I, Maya RW, Abass MA, Gupta J, Singh A, Joshi KK, Premkumar J, Sahoo S, Khosravi M. The potential therapeutic approaches targeting gut health in ME/CFS. Journal of Translational Medicine. 2025;23:530. doi.org/10.1186/s12967-025-06527-x 
11. Linus Pauling Institute, Oregon State University. Magnesium. Micronutrient Information Center. lpi.oregonstate.edu/mic/minerals/magnesium; see also Institute of Medicine (US). Magnesium. Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. National Academies Press; 1997. ncbi.nlm.nih.gov/books/NBK109816 
12. Mahadeo A, MacDonald JW, Himmelfarb J, Kelly EJ, et al. Pervasive food contaminant ochratoxin-A induces energy crisis. Toxicology Reports. 2025;15:102169. doi.org/10.1016/j.toxrep.2025.102169 
13. Brewer JH, Thrasher JD, Straus DC, Madison RA, Hooper D. Detection of mycotoxins in patients with chronic fatigue syndrome. Toxins. 2013;5(4):605-617. doi.org/10.3390/toxins5040605
14. Wei YH, Lu CY, Lin TN, Wei RD. Effect of ochratoxin A on rat liver mitochondrial respiration and oxidative phosphorylation. Toxicology. 1985;36(2-3):119-130; and Bin-Umer MA, McLaughlin JE, Basu D, McCormick S, Tumer NE. Trichothecene Mycotoxins Inhibit Mitochondrial Translation. Toxins. 2011;3(12):1484-1501. doi.org/10.3390/toxins3121484 
15. Castro-Marrero J, Cordero MD, Segundo MJ, Sáez-Francàs N, Calvo N, Román-Malo L, Aliste L, Fernández de Sevilla T, Alegre J. Antioxidants & Redox Signaling. 2015;22(8):679-685. doi.org/10.1089/ars.2014.6181 
16. Castro-Marrero J, Sáez-Francàs N, Segundo MJ, Calvo N, Faro M, Aliste L, Fernández de Sevilla T, Alegre J. Clinical Nutrition. 2016;35(4):826-834. doi.org/10.1016/j.clnu.2015.07.010 
17. Castro-Marrero J, Segundo MJ, Lacasa M, Martinez-Martinez A, Sentañes RS, Alegre-Martin J. Nutrients. 2021;13(8):2658. doi.org/10.3390/nu13082658  
18. Dorczok MC, Mittmann G, Mossaheb N, Schrank B, Bartova L, Neumann M, Steiner-Hofbauer V. Dietary Supplementation for Fatigue Symptoms in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS): A Systematic Review. Nutrients. 2025;17(3):475. https://pmc.ncbi.nlm.nih.gov/articles/PMC11819863/
19. Vermeulen RCW, Scholte HR. Exploratory Open Label, Randomized Study of Acetyl- and Propionylcarnitine in Chronic Fatigue Syndrome. Psychosomatic Medicine. 2004;66(2):276-282. doi.org/10.1097/01.psy.0000116249.60477.e9
20. Wang S, Ren J, Zhou X, et al. Tuina therapy for patients with chronic fatigue syndrome: a randomized controlled trial. Journal of Translational Medicine. 2026;24:301. doi.org/10.1186/s12967-025-07624-7

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