The body odour changes. Not dramatically, not suddenly — but noticeably. Fermented, sweet, yeasty, sometimes like overripe fruit. Those who know this get a shrug from their doctor: hormone imbalance perhaps, or stress, or not drinking enough water. The biochemistry offers a more precise answer.
The Power Plant and How It Produces Energy#
Every cell in the human body depends on energy. That energy is produced in mitochondria — tiny structures inside the cell that convert nutrients into the universal energy carrier ATP (adenosine triphosphate).
The process is called oxidative phosphorylation (OXPHOS). It runs along the electron transport chain (ETC): four protein complexes (Complex I through IV) pass electrons along like relay runners, pumping protons across a membrane in the process and thereby generating ATP. Like a power plant driving water through turbines to produce electricity.
The key point: this chain needs oxygen. And it is by far the most efficient energy pathway a cell has. From one glucose molecule via OXPHOS: 36–38 ATP. The same glucose via the emergency backup without oxygen: 2 ATP.
That backup — anaerobic glycolysis — is the fallback when the chain breaks.
What Spike Protein Does to Mitochondria#
Multiple proteins from SARS-CoV-2 — including the spike protein, NSP6 and ORF3a — directly interfere with mitochondrial function 1. The electron transport chain is impaired. Measurable consequences in COVID-19 and Long COVID patients: reduced OXPHOS activity, elevated lactate production under exertion, impaired VO₂max (oxygen utilisation), mitochondrial fragmentation in biopsies 2.
The cell switches to the backup: anaerobic glycolysis. Pyruvate — the intermediate product of normal glucose metabolism — is no longer routed into the mitochondria. Instead, it is fermented into lactate.
The body “ferments” its own energy. At a dramatically reduced yield.
What that means clinically: the cell produces roughly 5% of its normal ATP per glucose molecule. Fatigue that sleep does not fix. Exertion intolerance that doctors code as psychosomatic. Brain fog. These are not vague complaints — they are cellular energy deficit.
What Leaks Out During Fermentation#
When cells switch to fermentation mode, more than lactate is produced. The disrupted metabolism generates volatile organic compounds (VOCs) — molecules that escape via exhaled breath, sweat and skin.
Elevated VOC patterns in COVID-19 and Long COVID patients have been documented in multiple independent breath analyses 3:
| VOC | Metabolic Source |
|---|---|
| Acetone | Lipid oxidation, ketone body formation |
| Acetaldehyde | Pyruvate metabolism (fermentation) |
| 2-Butanone | Impaired fatty acid oxidation |
| n-Heptanal | Lipid peroxidation (oxidative stress) |
| Isoprene | Cholesterol synthesis by-product |
These VOCs are the fingerprint of a disrupted energy metabolism. Electronic nose (eNose) devices can identify the pattern with high specificity — studies show that Long COVID patients have a clearly distinguishable breath signature 4.
What the eNose identifies, the patient smells themselves. Sometimes so does their environment.
The fermentation odour is not a hygiene problem. It is a metabolic diagnostic signal.
Methylene Blue: The Exhibit — Not a Recommendation#
Methylene blue (MB) is a dye that has been known in medicine for over a century. In biochemistry it has a notable property: it can function as an electron shuttle — accepting electrons from NADH and passing them directly to cytochrome c, bypassing Complex I and III 5.
In plain terms: if the motorway (electron transport chain) is blocked, methylene blue builds a bypass road.
This is not a recommendation. This is a mechanism observation.
If MB alleviates symptoms in a person with spike-associated fatigue, brain fog, and altered body odour — it provides indirect mechanistic evidence: the complex blockade was operative. The bypass worked. The problem sat where the hypothesis placed it.
The bypass only works if the main road is actually blocked. That is the logic of the exhibit.
MB is a compound with risks, interactions and contraindications. This section describes the biochemical mechanism — it is explicitly not a medical recommendation.
The Fatal Scissors — and What the Data Show#
Immunologist Joachim Gerlach documents an escalation process he calls the “fatal scissors” 6:
On one side: the antibodies generated after vaccination or infection bind progressively worse to current variants. The spike protein has become antibody-evasive.
On the other side: the spike protein accumulates in tissue. Because the immune response can no longer neutralise it.
Immune tolerance rises — spike concentration rises simultaneously. That is not healing. That is progressive accumulation with declining clearance.
The MMD laboratory in Magdeburg — which conducts spike measurements for clinics across Europe — documents the objective finding 7:
| Period | Spike-Positive Rate |
|---|---|
| 2024 (average) | 30–40% |
| 2025 Q1–Q3 | nearly doubled |
| 2025 Q4 | extreme |
The spike protein is not going away. Mitochondrial impairment accumulates with each exposure cycle.
One Case Among Many#
One person — unvaccinated. No vaccine route. Nevertheless: anti-spike antibody titres (BAU) in the range of vaccinated individuals. Fermentation-like body odour. Brain fog. Fatigue without identifiable external trigger.
This is not an isolated case. Aerosol exposure over years leads to measurable spike accumulation even without vaccination. The reservoir system — spike replicating in gut bacteria, persisting in tissue 8 — provides continuous supply without active infection.
Methylene blue: subjective improvement within hours. Body odour normalises. Thinking clears.
This is not an anecdotal outlier. It is a pattern repeated across many reports — and mechanistically predictable if the complex-blockade hypothesis is taken seriously.
What This Means#
Standard labs do not show this. Full blood count: unremarkable. CRP: normal. Thyroid: fine. The doctor says: “Everything looks good.”
What the standard does not measure:
- Mitochondrial function (no routine parameter)
- VOC profile (no routine parameter)
- Spike protein in blood (specialist lab only — e.g. MMD Magdeburg)
- Intracellular spike (biopsy only)
The symptoms are real. The mechanism is documented. The diagnostics are absent from routine medicine — not because they are technically impossible, but because they are institutionally not provided for.
The Hypothesis Behind the Hypothesis#
Mitochondrial dysfunction as a systematic feature of a pathogen is biologically extraordinary. Normal coronaviruses do not primarily target mitochondria. The furin cleavage site — absent from every other known coronavirus — gives the spike protein access to tissues that would otherwise remain out of reach.
The FBI and the US Department of Energy consider a laboratory origin the most likely explanation.
A pathogen that systematically blocks mitochondrial energy production creates a population with progressive energy deficit. Fatigue. Brain fog. Exertion intolerance. Inability to sustain effort. That is a hypothesis. It has a foundation.
And it explains why the body smells like a fermentation vessel.
Related: Spikopathy: Why There Is No Spontaneous Recovery — stem cells, IgG4, amyloid, the complete pathological profile of the spike protein.
Sources#
Ajaz S et al. (2021): Mitochondrial metabolic manipulation by SARS-CoV-2 in peripheral blood mononuclear cells of patients with COVID-19. Am J Physiol Cell Physiol. PMID: 33326316 ↩︎
Guntur VP et al. (2022): Signatures of mitochondrial dysfunction and impaired fatty acid metabolism in plasma of patients with post-acute sequelae of SARS-CoV-2 (PASC). Metabolites. PMID: 35208461 ↩︎
Bruderer T et al. (2021): Expiratory volatile organic compound profiles in COVID-19 patients. J Breath Res; Shan B et al. (2023): Breathomics for post-COVID subtyping. ↩︎
Wintjens AGWE et al. (2021): Proof-of-principle study on VOC-based electronic nose diagnosis of COVID-19. PLOS ONE. DOI: 10.1371/journal.pone.0252403 ↩︎
Oz M, Lorke DE, Petroianu GA (2009): Methylene blue and Alzheimer’s disease. Biochem Pharmacol; established biochemistry: MB as electron shuttle between NADH and cytochrome c, bypassing Complex I and III. ↩︎
Gerlach J et al. (2025): Antibody Escape and the Drastic Elevation of Circulating Spike Protein Since 2024. ResearchGate (Preprint). ↩︎
MMD Laboratory Magdeburg: Spike-positive rates 2024–2025 (internal; cited via Gerlach/Börner analysis). ↩︎
Brogna C et al. (2025): Evidence of SARS-CoV-2 bacteriophage potential in human gut microbiota. PMID: 40444030 ↩︎





