DHA, docosahexaenoic acid, commonly known as brain gold, is an unsaturated fatty acid which is very important to human body and belongs to an important member of ω-3 unsaturated fatty acid family. DHA is the main component of the growth and maintenance of cells in the nervous system, and it is also an important part of the brain and retina. The content of DHA in human cerebral cortex is as high as 20%, and it accounts for the largest proportion in retina of eyes, accounting for about 50%. Therefore, it is very important for fetal intelligence and vision development.

But in fact, a reasonable diet is much more useful than DHA