Eicosapentaenoic acid (EPA) is an omega-3 fatty acid found in fatty fish and fish oil supplements. Over the past few decades, research has suggested that EPA has various potential health benefits, particularly for heart health.EPA has been associated with reduced inflammation, improved cholesterol levels, and reduced blood pressure, all of which can contribute to a lower risk of heart disease. Additionally, EPA has been found to reduce the risk of blood clots, which can lead to heart attacks and strokes. This comprehensive review article aims to summarize the current state of knowledge regarding the potential health benefits of EPA. We focus on its effects on cardiovascular health, inflammation, atherosclerotic plaques, blood clots, diabetes, obesity, and cancer. Finally, we provide an overview of the recommended daily dose of EPA for optimal health benefits.This review highlights the importance of EPA in promoting overall health and well-being and provides insights into its potential therapeutic applications.