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Cardiovascular diseases (CVDs) persist as the primary cause of death worldwide, accounting for roughly 17.9 million fatalities each year. The prevalence of obesity, metabolic syndrome, and type 2 diabetes (key risk factors for CVD) continues to escalate at an alarming rate, necessitating novel therapeutic strategies to address this global health crisis. Nutritional ketosis, induced through ketogenic diets, modified fasting, intermittent fasting, and medium-chain triglyceride (MCT) oil consumption, has garnered attention for its potential cardioprotective effects. Ketosis is a metabolic state in which the body, due to a significantly reduced intake of carbohydrates, shifts its primary energy source from glucose to ketone bodies, i.e., beta-hydroxybutyrate (BHB), acetoacetate, and acetone, which are produced in the liver from fatty acids. This review examines the mechanisms by which ketone bodies, particularly BHB, mitigate cardiovascular risk. We focus mainly on the anti-inflammatory and antioxidative properties of BHB and summarize recent evidence to highlight the clinical relevance of ketosis in cardiometabolic health.
Venturini et al. (Thu,) studied this question.