Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide. Its main contributors are obesity, insulin resistance, diabetes and metabolic syndrome. Liver pathogenesis exacerbates when oxidative stress, inflammation, lipid accumulation, and attenuated autophagy signals coexist together with the main determinants of the liver disease. These findings may indicate that the suppression of the disease requires multi-targeting compounds to alleviate more than one factor, resulting in improved histopathological outcomes. This review studies natural compounds, given as supplements, with antioxidant and anti-inflammatory properties. The compounds included are vitamins, carotenoids, low-molecular-weight thiol-containing compounds, fatty acids and others that have been investigated for their pleiotropic activity alone or in combination. They act at different pathways and signals, and at gene expression control, modulating oxidative stress and inflammation, such as collagen, TNF-α, NF-κB, Nrf2 and PPARs genes. Their mechanism of action and characteristics may be encouraging treatment options as multi-targeting compounds for NAFLD and other diseases whose pathophysiology is closely related to metabolic syndrome. However, extensive study on their safety, toxicity, mechanisms of action and dosage regimen is needed before their final establishment as potential treatment options.
Theodorou et al. (Sun,) studied this question.
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