Changhai algae oil dha is good. According to the relevant public information on the Internet, the algae oil dha contains pure natural dha preparation, which has good unsaturated fatty acids for health and has a very good health care effect. Seaweed oil DHA is a natural polyunsaturated fatty acid extracted from deep-sea seaweed, which is suitable for pregnant women and children. DHA, commonly known as brain gold, is an important element to maintain the growth of nervous system cells and an important fatty acid in the brain and retina. Taking it by pregnant women is beneficial to the intelligence and vision development of babies.