DHA?(docosahexaenoic acid), an unsaturated fatty acid which belongs to omega-3 family, is essential to human health.??
DHA is?a major component of human brain and retina cells, in particular in human cerebral cortex
it is up to?20%, it is even the?largest component in eye ritina, accounting for as much as 50%.

DHA is optional nutrient in infant formula according to China food regulations?GB 10765?and GB 10767.