- hormone deficiencies, including cortisol, DHEA and thyroid,
- nutrient deficiencies, such as magnesium, B vitamins, especially B12, amino acids, vitamin C, folic acid, fatty acids such as EPA, minerals like zinc and CoEnzyme Q10
- digestive problems, including delayed onset IgG mediated food allergies, intestinal overgrowth of Candida and other yeast species, and increased gut permeability
- chronic infections with viruses, bacteria and fungi
- liver detoxification impairments
- increased body burden of chemical toxins (for example pesticides and solvents) and heavy metals such as mercury, lead, cadmium and arsenic
- deficiencies in the essential detoxification enzyme glutathione, which is low in 50% of CFS patients
- disordered fat metabolism with low levels of acylcarnitine, which reduces fat as a mitochondrial fuel, thereby causing patients to crave carbohydrates and gain weight
- mitochondrial dysfunction with reduced levels of the cellular energy molecule, ATP.
- hypoxemia, or low levels of blood oxygen