Docosahexaenoic acid (DHA) is a long-chain ω-3 PUFA found in fish and algal oils.It comprises approximately 40% of total brain PUFAs and is abundant in grey matter and retinal membranes.DHA typically represents 0.52-7.5% of human total plasma fatty acids.DHA has roles in several physiological and pathological processes, including neural development, cardiovascular diseases, obesity, and inflammation.3