Omega-3 Our body does not produce omega-3 in adequate amounts, so here is a list of the best foods high in mega-3: Cod liver This is a real omega-3 bomb, it contains more healthy fatty acids than any fish. Chia Seeds Just one tablespoon of seeds, but a whole load of benefits! Can be added to cereals, yogurts, yogurt. Flaxseed oil in addition to omega 3, it also contains omega 6, omega 9 and vitamin E. Perfect for salads as a dressing. Nuts contain omega 3 along with magnesium - this combination thins the blood, simplifies its movement in the blood vessels and reduces bad cholesterol.