Fish oil is a type of dietary supplement made from the fatty tissues of oily fish, such as salmon, mackerel, and sardines. It is a rich source of omega-3 fatty acids, which are essential nutrients that have been linked to numerous health benefits.

Fish oil is commonly taken in the form of capsules or liquid, and is often recommended as a supplement for those who do not consume enough omega-3s in their diet. The omega-3s in fish oil are known to help reduce inflammation, improve brain function, and lower the risk of heart disease.

The production of fish oil is primarily driven by the fishing industry, with countries like Peru, Chile, and Norway being some of the largest producers. According to data from the United Nations Food and Agriculture Organization, global fish oil production reached over 1 million metric tons in 2019.

China is also a significant producer of fish oil, with a strong fishing industry and large domestic market for fish oil products. Chinese fish oil manufacturers benefit from lower labor costs and the ability to produce large quantities of fish oil at a lower cost than many other countries.

In addition to its high omega-3 content, fish oil is also a rich source of vitamin D and other essential nutrients. However, it is important to note that fish oil supplements can sometimes contain high levels of contaminants, such as mercury and PCBs, which can be harmful to human health.

Overall, fish oil is a popular dietary supplement that provides numerous health benefits. With its high omega-3 content and increasing global demand, it is likely that we will continue to see growth in the production and consumption of fish oil products, particularly in countries like China with strong fishing industries and low production costs.