The Dual Role of Conjugated Linoleic Acid in Obesity and Metabolic Disorders.

Conjugated Linoleic Acid (cis-9, trans-11, CLA)/(trans-10, cis-12, CLA) has been extensively studied for its role in obesity control and metabolic diseases. This review explores the molecular characteristics of CLA, its metabolic pathways, and its inconsistent effects on lipid metabolism, adipogenesis, energy expenditure, and inflammation. Preclinical and clinical studies suggest that CLA may promote fat oxidation and modulate adipocyte function; however, inconsistent findings highlight dose-dependent outcomes and individual variability in response. The dual nature of CLA, showing both beneficial and adverse effects, raises questions about its long-term safety and efficacy. This review critically examines CLA's molecular role in obesity and metabolic regulation, providing insights into its therapeutic promise and limitations. Future research should focus on personalized approaches to CLA supplementation, considering genetic and lifestyle factors for tailored nutritional guidance.