Not All Fats Are Equal: The Case for MUFA Over Saturated Fat in Type 2 Diabetes

Fasting lipid and glucose parameters are routinely assessed; however, individuals predominantly exist in the postprandial state, during which dietary fats play a vital role and are not all the same. After a fatty meal, triglycerides rise and act as an independent risk factor for cardiovascular disease. Saturated fats have a prolonged circulation time, whereas monounsaturated fats (MUFA) have shorter circulation and reduce inflammation and inflammatory markers. MUFA improves insulin sensitivity and reduces post-meal glucose spikes. In type 2 diabetes, replacing saturated fats with MUFA improves postprandial glucose and cholesterol control.1,2,3,4 Reference(s): 1. Estruch R, Ros E, Salas-Salvadó J, et al. RETRACTED: Primary prevention of cardiovascular disease with a Mediterranean diet. N Engl J Med. 2013;368(14):1279-1290. doi:10.1056/NEJMoa1200303. https://www.nejm.org/doi/full/10.1056/NEJMoa1200303 2. Cicerale S, Lucas L, Keast R. Biological activities of phenolic compounds present in virgin olive oil. Int J Mol Sci. 2010;11(2):458-479. Published 2010 Feb 2. doi:10.3390/ijms11020458. https://pmc.ncbi.nlm.nih.gov/articles/PMC2852848/ 3. Schwingshackl L, Hoffmann G. Monounsaturated fatty acids, olive oil and health status: a systematic review and meta-analysis of cohort studies. Lipids Health Dis. 2014;13:154. Published 2014 Oct 1. doi:10.1186/1476-511X-13-154. https://pmc.ncbi.nlm.nih.gov/articles/PMC4198773/ 4. Liva K, Panagiotopoulos AA, Foscolou A, et al. High Polyphenol Extra Virgin Olive Oil and Metabolically Unhealthy Obesity: A Scoping Review of Preclinical Data and Clinical Trials. Clin Pract. 2025;15(3):54. Published 2025 Mar 7. doi:10.3390/clinpract15030054. https://pmc.ncbi.nlm.nih.gov/articles/PMC11941193/    

Olive Oil Integrated Cardiometabolic Care: Beyond Lipid Lowering to Inflammation and Oxidative Stress

Fasting lipid and glucose values are important indicators of cardiometabolic health; however, most patients spend the majority of their time in the postprandial state, where dietary fats play a significant role. Following a fatty meal, triglyceride levels rise and contribute to cardiovascular risk. Saturated fats remain in circulation longer, whereas monounsaturated fats (MUFAs) help reduce inflammation and inflammatory markers associated with cardiovascular disease. Compared with saturated fats, MUFAs improve insulin sensitivity, reduce post-meal glucose spikes, and help control blood glucose and cholesterol levels, supporting both cardiovascular and glycemic health.[1][2][3][4] Reference(s): 1. Estruch R, Ros E, Salas-Salvadó J, et al. RETRACTED: Primary prevention of cardiovascular disease with a Mediterranean diet. N Engl J Med. 2013;368(14):1279-1290. doi:10.1056/NEJMoa1200303. https://www.nejm.org/doi/full/10.1056/NEJMoa1200303 2. Cicerale S, Lucas L, Keast R. Biological activities of phenolic compounds present in virgin olive oil. Int J Mol Sci. 2010;11(2):458-479. Published 2010 Feb 2. doi:10.3390/ijms11020458. https://pmc.ncbi.nlm.nih.gov/articles/PMC2852848/ 3. Schwingshackl L, Hoffmann G. Monounsaturated fatty acids, olive oil and health status: a systematic review and meta-analysis of cohort studies. Lipids Health Dis. 2014;13:154. Published 2014 Oct 1. doi:10.1186/1476-511X-13-154. https://pmc.ncbi.nlm.nih.gov/articles/PMC4198773/ 4. Liva K, Panagiotopoulos AA, Foscolou A, et al. High Polyphenol Extra Virgin Olive Oil and Metabolically Unhealthy Obesity: A Scoping Review of Preclinical Data and Clinical Trials. Clin Pract. 2025;15(3):54. Published 2025 Mar 7. doi:10.3390/clinpract15030054. https://pmc.ncbi.nlm.nih.gov/articles/PMC11941193/    

Fat Quality as a Metabolic Regulator

Dietary Fat Quality and Inflammation

Postprandial Inflammation: Impact of Modern Diets on Cardiometabolic Risk

Postprandial inflammation is an important contributor to atherosclerosis and cardiometabolic risk. Modern diets rich in saturated fats and refined oils promote postprandial elevations in triglycerides and glucose, triggering oxidative stress, inflammation, and endothelial dysfunction. Saturated fat-rich meals induce greater inflammatory responses than unsaturated fat-rich diets. In contrast, the Mediterranean diet, particularly extra virgin olive oil, helps reduce oxidative stress and inflammation while improving endothelial function, supporting cardiovascular health.

Integrating Anti-Inflammatory Nutrition With Standard Cardiometabolic Care

Anti-inflammatory nutrition is an evidence-based adjunct in cardiometabolic care, with olive oil as a key functional fat due to its high MUFA content (up to 85%) and bioactive polyphenols that reduce oxidative stress.[1][2][3][4] Strong clinical evidence supports its role across disease domains: in primary prevention, the PREDIMED trial demonstrated a significant reduction in major CVD events, while the CORDIOPREV trial confirmed benefits in secondary prevention with reduced MACE.[5][6] Additional RCT evidence in metabolic pregnancy-related dysregulation reports improved glycaemic control and reduced insulin requirement.[7] Incorporating olive oil within dietary patterns provides a practical adjunct to pharmacotherapy in cardiometabolic risk reduction.[8] Reference(s): 1. Prabhakaran D, Jeemon P, Roy A. Cardiovascular Diseases in India: Current Epidemiology and Future Directions. Circulation. 2016;133(16):1605–1620. doi:10.1161/CIRCULATIONAHA.114.008729. https://www.ahajournals.org/doi/10.1161/circulationaha.114.008729 2. Anjana RM, Unnikrishnan R, Deepa M, et al. Metabolic non-communicable disease burden report of India: the ICMR–INDIAB national cross-sectional study (ICMR-INDIAB-17). Lancet Diabetes Endocrinol. 2023;11(7):474–489. doi:10.1016/S2213-8587(23)00119-5. https://www.thelancet.com/journals/landia/article/PIIS2213-8587(23)00119-5/fulltext 3. Puri R, Mehta V, Duell PB, et al. Proposed low-density lipoprotein cholesterol goals for secondary prevention and familial hypercholesterolemia in India with focus on PCSK9 inhibitor monoclonal antibodies: Expert consensus statement from Lipid Association of India. Clin Lipidol. 2020;14(2). doi:10.1080/21602006. https://www.sciencedirect.com/science/article/pii/S1933287420300064 4. Jimenez-Lopez C, Cardenas M, Lourenco-Lopes C, et al. Bioactive Compounds and Quality of Extra Virgin Olive Oil. Foods. 2020;9(8):1014. doi:10.3390/foods9081014. https://www.mdpi.com/2304-8158/9/8/1014 5. Estruch R, Ros E, Salas-Salvadó J, et al. Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts. N Engl J Med. 2018;378(25):e34. doi:10.1056/NEJMoa1800389. https://www.nejm.org/doi/full/10.1056/NEJMoa1800389 6. Delgado-Lista J, Alcala-Diaz JF, Torres-Peña JD, et al. Long-term secondary prevention of cardiovascular disease with a Mediterranean diet and low-fat diet (CORDIOPREV): a randomized controlled trial. Lancet. 2022;399(10383):1876–1885. doi:10.1016/S0140-6736(22)00122-2. https://linkinghub.elsevier.com/retrieve/pii/S0140-6736(22)00122-2 7. Xia M, Zhong Y, Peng Q, Qin C. Olive oil consumption and risk of cardiovascular disease and all-cause mortality: A meta-analysis of prospective cohort studies. Front Nutr. 2022;9:1014203. https://pmc.ncbi.nlm.nih.gov/articles/PMC9623257/ 8. Lichtenstein AH, et al. 2021 Dietary guidance to improve cardiovascular health: A scientific statement from the American Heart Association. Circulation. 2021;144:e472–e487. doi:10.1161/CIR.0000000000001031. https://www.ahajournals.org/doi/10.1161/CIR.0000000000001031

Extra Virgin Olive Oil as an Anti-Inflammatory Intervention: Mechanisms and Clinical Evidence

Chronic inflammation is a central amplifier of cardiometabolic and cardiovascular disease, driving endothelial dysfunction, oxidative stress, and progressive vascular injury.[1] Dietary compounds influence these pathways, including bioactive polyphenols in extra virgin olive oil (EVOO) — such as hydroxytyrosol and oleuropein — alongside monounsaturated fatty acids (MUFAs), predominantly oleic acid. EVOO exerts anti-inflammatory and antioxidant effects by modulating inflammatory signalling pathways, immune cell activity, and endothelial responses, thereby reducing vascular damage. It represents a clinically relevant dietary strategy that complements medical nutrition therapy in cardiometabolic risk management.[2][3][4] Reference(s): 1. Higashi Y. Roles of oxidative stress and inflammation in vascular endothelial dysfunction-related disease. Antioxidants. 2022 Sep 30;11(10):1958. 2. Ghazali R. Olive oil Compounds: Biological and Chemical Actions for Health-An updated review. Food Chemistry Advances. 2026 Mar 10:101273. https://www.sciencedirect.com/science/article/pii/S2772753X26000560 3. Casas R, Estruch R, Sacanella E. The protective effects of extra virgin olive oil on immune-mediated inflammatory responses. Endocrine, Metabolic & Immune Disorders—Drug Targets. 2018;18(1):23-35. https://www.researchgate.net/profile/Rosa-Casas2/publication/321135121_The_Protective_Effects_of_Extra_Virgin_Olive_Oil_on_Immune-mediated_Inflammatory_Responses.pdf 4. Milena E, Maurizio M. Exploring the cardiovascular benefits of extra Virgin Olive oil: insights into mechanisms and therapeutic potential. Biomolecules. 2025 Feb 14;15(2):284. https://www.mdpi.com/2218-273X/15/2/284