3 L Carnitine 3000 Liquid Douglas Laboratories L Carnitine Kiwla Identification of amino acids metabolomic profiling in human plasma distinguishes lupus nephritis from systemic lupus erythematosus Amino Acids Springer Nature Link National It's long been suspected that the chronic autoimmune disease lupus could be triggered by the Epstein Barr virus (EBV), which is thought to be carried by 95 percent of adults globally.