Cod liver oil is a fatty oil extracted from the liver of non-toxic marine fish. Remove some solid fat at about 0℃, adjust the concentration with refined edible vegetable oil, vitamin A and vitamin D3, and add a proper amount of stabilizer. Cod liver oil can strengthen bones, so it is often used to supplement calcium for children.
Fish oil is the general name of all oily substances in fish, including body oil, liver oil and brain oil. Fish oil is a by-product of fish meal processing, which is obtained by cooking, squeezing and separating fish and its waste. The main functional component of fish oil is omega-3 fatty acid, which is a scavenger of human blood vessels and can also prevent arteriosclerosis, stroke and heart disease.
Precautions for cod liver oil:
1, choose a place with high credibility.
It is best to go to a large reputable supermarket, shopping mall or product chain store to buy.
2, don't be superstitious about imports, you must look at the place of origin.
There are only two or three kinds of imported fish oil with quality assurance. If the destination of origin is domestic enterprises, we should be more cautious. An industry expert said that he only dared to buy fish oil produced by a domestic enterprise in Shantou.
3. Don't buy anything below 50 yuan.
If the operating profit of the enterprise is considered, the retail price of 100 fish oil is around 50 yuan, which is more in line with the cost method. It is best to choose a big brand that not only makes best-selling nutritional supplements such as fish oil and lecithin, but also provides other health care products.
From the taste point of view, good deep-sea fish oil is mainly fragrant, with a little fishy smell, and poor quality will have a more serious fishy smell.
4, eat fish three times a week, you don't have to eat fish oil.
Yang Yuexin suggested that eating fish at least three times a week can basically ensure the intake of unsaturated fatty acids, and there is no need to supplement it with fish oil health products.
The above contents refer to:
People's Network-Can fish oil really fight cancer? Four suggestions on eating fish oil