An omega-3 fatty acid that is a primary structural component of the brain.
Along-chain polyunsaturated fatty acid (C22:6 ω3).
Docosahexaenoic acid (DHA) is a long-chain (22 carbons) omega-3 polyunsaturated fatty acid found primarily in fish oil. DHA is highly unsaturated with six double bonds. The potential role of DHA in athletic performance is described in the entry on omega-3 fatty acids.
A lengthy chain omega-3 fatty acid primarily present in oily fish is essential for the development of the brain and the retina of the eye.