.Fresh berries are best, but frozen will do in the off-season.Fish Cold water fish are rich in omega-3 fatty acids. Salmon, herring, mackerel, sardines, and tuna all contain  CogniQ  high levels of the brain essential omegas. Wild, deep water fish are best as they typically avoid heavy exposure to mercury, dioxin, and the other toxins and bacteria that permeate shallower waters.Eggs Eggs get a bad rap for their…