Grass fed beef
You might not think it, but red meat is really high in omega-3 fatty acids. A 4oz portion works out at roughly 50% of your fatty acid daily requirement, but make sure it's grass fed rather than grain fed. Check the labels at your local supermarket or ask your butcher for more info.
IS EATING FISH THE KEY TO LIVING LONGER?
10 SURPRISING SNACKS UNDER 100 CALORIES
MORE HEALTH ADVICE