MITOCHONDRIAL FUNCTION & THE ORGANIC ACIDS TEST WHY YOUR FATIGUE MAY BE CELLULAR — AND HOW THE OAT REVEALS IT OPTIMAL MITOCHONDRIAL FUNCTION ATP ⚡⚡⚡ ENERGY OUTPUT: OPTIMAL Glucose → Pyruvate Fatty acids → β-oxid. CO₂ + H₂O normal byproducts ✓ What you feel when mitochondria work ✓ Sustained energy without caffeine dependency ✓ Post-exercise recovery within 24–48 hours ✓ Mental clarity throughout the day ✓ Stable mood and motivation OAT MARKERS — NORMAL RANGE Citric acid · Succinic acid · Fumaric acid: all within range Lactic acid normal · Pyruvic acid normal · Malic acid normal MEASURED BY OAT Urine · First morning Home collection MITOCHONDRIAL DYSFUNCTION ATP ⚡ ENERGY OUTPUT: REDUCED 40–60% Succinic ↑ Fumaric ↑ Malic ↑ Krebs cycle backing up ✗ What you feel when mitochondria fail ✗ Fatigue disproportionate to activity ✗ Post-exertional malaise (PEM) — CFS pattern ✗ Brain fog · poor concentration ✗ Cold intolerance · poor exercise tolerance OAT MARKERS — ELEVATED (KREBS DISRUPTION) ↑ Citric, Succinic, Fumaric, Malic → backed up cycle ↑ Pyruvate/Lactate ratio → impaired entry to Krebs THE ORGANIC ACIDS TEST — WHAT ELSE IT REVEALS Mitochondria Krebs cycle acids Energy production Neurotransmitters HVA (dopamine) 5-HIAA (serotonin) VMA (norepinephrine) Gut Overgrowth Arabinose (yeast) HPHPA (Clostridia) B-Vitamins B12 (methylmalonic) B6 (xanthurenate) Folate (FIGLU) Detox / Oxidative Pyroglutamate (glutathione status) 8-OHdG (DNA damage) DETECTIVE HEALTH · STEPHEN DUNCAN MSC FDN-P · ORGANIC ACIDS TESTING · DETECTIVE-HEALTH.COM