What is DHA? DHA fish oil is an omega-3 fatty acid that is a primary structural component of the brain, cerebral cortex, skin, sperm, testicles and retina. It can be synthesized from alpha-linolenic acid or obtained directly from maternal milk or fish oil. DHA, short for Docosahexaenoic Acid, is an important polyunsaturated fatty Acid for the growth and maintenance of nervous system cells. As an essential fatty acid for the growth and development of human retina and brain, DHA powder can promote the vision and intellectual development of infants, and has positive significance in maintaining brain function, delaying brain aging, preventing alzheimer's disease and neurological diseases, and preventing cardiovascular diseases.A lack of DHA in the human body can cause a range of symptoms including growth retardation, infertility and mental retardation. At present, AHUALYN DHA products are mainly derived from deep-sea fish, marine micro…