l carnitine dosage for chronic fatigue syndrome Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health Effect of L-carnitine supplementation on

Diabetes (more commonly diabetes mellitus type 1) and related disorders (high sugar and low energy connection) also increase the risk for fatigue, muscle pain, exercise tolerance and delayed recovery

Clinical Pharmacology & Therapeutics, 58(6), 685-689

Stone et al., 1986

Systemic metabolic alterations and their relationship to neuropsychiatric symptomatology PAIS, including long COVID, as well as CFS and IMD, share the characteristic of systemic metabolic disturbances, which may be a sign of underlying multi-organ inflammation and exhaustion [31], and consequently may contribute to neuropsychiatric symptomatology, as many metabolites can cross the bloodbrain barrier (BBB) [30, 58] (e.g., short chain fatty acids (SCFAs) derived from the gut microbiota such as acetate [40], amino acids such as tryptophan [52] and also carnitine/acetylcarnitine can cross the BBB via transporters [59])

TABLE 2 Differential diagnosis of diseases with clinical manifestations similar to neurological damage caused by N 2 O abuse

A brief history of sciatica