There are two omega-3 fatty acids that can be found in fish oil, namely, docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). DHA and EPA can be found in fatty fish like salmon, shellfish, mussels, oysters, mackerel, trout, and crabs. Another type of omega-3, alpha-linolenic acid (ALA), can be found in other consumable foods that are not fish, for instance, seeds, vegetable oils, and nuts. These fatty acids have many health benefits.
Fish oil also comes in three common formulations: pill, capsule, and liquid. Fish oil is usually taken by people due to its ability to treat inflammation. According to a growing body of research, fish oil supplements are able to treat the following conditions:
Studies have shown that people who take fish oil have a lower chance of experiencing heart disease. However, these studies have also shown that taking fish oil provides little to no benefits to the heart. It helps solely in heart disease prevention and does not improve the health of a heart.