Fish oil is a kind of oil extracted from fatty fish, rich in eicosapentaenoic acid and docosahexaenoic acid DHA, a variety of n-3 polyunsaturated fatty acids.
Fish oil is rich in omega-3 fatty acids from fatty fish including: mackerel, tuna, salmon, sturgeon, anchovies, sardines, herring, trout, etc., of which every two can get about 1 gram of omega-3 fatty acids The actual fluctuation of the situation will be relatively large the value is for reference only. Since the dietary structure of the Chinese people is relatively excessive in omega-6 fatty acids, more attention should be paid to the intake of omega-3 fatty acids, due to the fish oil is easily oxidized, eating fish is more efficient than eating preparations. The Dietary Guidelines for Chinese Residents recommend that the average adult consume 75-100g of fish and shrimp per day. However, considering the enrichment effect of heavy metals and environmental hormones in fish, it is recommended to consume small fish, such as salmon, which is less polluted than shark. Cooking methods try to choose steaming and grilling, frying will destroy its nutrition. People who do not eat fish can also consider flaxseed oil and nuts to supplement the omega-3 family of polyunsaturated fatty acids.
Liver disease, fish and seafood allergies, high doses of fish oil may lower the immune response immune system is already weak people should be vigilant, diabetes high doses of fish oil may affect the blood sugar smooth, high blood pressure eating antihypertensive medication individually may be too low blood pressure.
Fish oil is mainly composed of vitamin A and vitamin D, infants and young children to prevent rickets should eat cod liver oil, vitamin D preparations, rather than fish oil. EPA may increase the tendency to hemorrhage, does not apply to infants and young children, for the elderly is the merit of anti-thrombosis
The average adult 200mg DHA can be, do not eat fish 1g fish oil a day, 3 grams per day or less of fish oil is DHA is divided into fish oil sources and algae sources, algae in the lower end of the food chain is more pure, not easy to allergies.