https://www.maximizemarketresearch.com/market-report/global-fish-oil-market/23589/ Fish oil is made from the liver fat of fatty fish such as herring, swordfish, anchovies, sardines, carp, tuna, and others. It's high in omega-3 fatty acids, vitamin A, vitamin D, zinc, and other nutrients. Fish oil has a long list of health benefits, including reducing blood pressure, lowering the risk of heart disease, enhancing metabolism, preserving digestion and absorption, and enhancing skin health, among others. For example, the volume of fish fats, oils, and fractions imported into Denmark in 2020 is roughly 1.4 billion Danish kroner.