Fish oil is a rich source of two essential omega-3 fatty acids, namely eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) . Omega-3s are responsible for helping create new cells and tissues in the body, providing energy, and supporting overall health. They are naturally found in a variety of fish, such as mackerel, herring, tuna, trout, sardines, and salmon. To ensure daily intake of omega-3s, many people also opt for fish oil supplements, which may offer benefits like: Supporting heart health According to several studies, people who consume fish regularly have lower rates of heart disease. This is because fish or fish oil helps to: Lower triglyceride levels Triglycerides are a type of fat in the body. Their presence in high levels can lead to fatty build-up in the artery walls, increasing the risk of heart disease and stroke. Omega-3s can help lower the levels of triglyceride. Reduce the risk of arrhythmia The term arrhythmia refers to an abnormal heartbeat. Some varieties, such as Atrial fibrillation (AFib) can pose serious health issues. Although fish oil supplements are not an effective treatment strategy, their omega-3 content may help reduce the risk of arrhythmia. Slower the rate of plaque build-up Plaque is a unique mix of fat, cholesterol, and calcium.