Different sources: Fish oil is mainly extracted from the fat layer of deep-sea fish, while cod liver oil is extracted from fish liver. Also, their composition and efficacy are different.

DHA is commonly known as "brain gold", which is a very important nutrient for the growth and development of the child's brain and eyes. Its full name is DHA (docosahexaenoic acid, DHA), docosahexaenoic acid. It is also an essential fatty acid in the human body. This fatty acid is the main ingredient in the composition of brain cells and retinal cells of the eye.

EPA is known as the "vascular scavenger", EPA is able to inhibit the role of bad lipoproteins, reduce the adherence of deposits in the inner wall of the blood vessels, but also to assist high-density lipoprotein cholesterol to remove excess fat on the walls of the blood vessels, so fish oils are also known as vascular scavenger! Therefore, fish oil is also known as the "scavenger" in the blood vessels. Therefore, fish oil can lower blood fat, dredge and clean blood vessels, improve blood viscosity, regulate blood fat, and promote fat metabolism.

Value of cod liver oil

Cod liver oil is often used to prevent and control vitamin A and vitamin D deficiency: vitamin A is very helpful in maintaining normal visual function, immune system and reproductive health, theoretically, in addition to premature infants, children in underdeveloped areas and pregnant women are not prone to lack of, but chronic diarrhea may cause the loss of vitamin A, leading to dry eye, night blindness and other symptoms.

Vitamin D helps to promote the body's absorption of calcium and phosphorus, promote bone and tooth development, and maintain a normal metabolism; vitamin D deficiency can lead to rickets, osteomalacia, and so on.

The above content reference? Baidu Encyclopedia - Cod Liver Oil