Fish oil is a valuable supplement for a healthy diet, known for its benefits on heart health, brain function and overall wellbeing. However, there are various synonyms for fish oil that you may come across. These include omega-3 fatty acids, fish lipid concentrate, marine oil, and essential fatty acids. Omega-3 fatty acids are found in fish and various plant sources such as flaxseeds and walnuts. They are essential for lowering inflammation levels in the body, improving brain health and reducing the risk of chronic diseases. Whether you call it fish oil or refer to it by any of its other names, adding it to your diet can have numerous health benefits.