ALB and metabolic dysfunction-associated steatotic liver disease: They utilized circulating IgG against lipid peroxidation products such as titers of IgG against human serum albumin adducted with malondialdehyde (MDA-HSA) or arachidonic acid hydroperoxide (AAHP) and against oxidized cardiolipin (Ox-CL), and the levels seemed to be significantly higher in NAFLD patients.