Calling the American Dietetic Association for the closest market in your area that does these tours. Roxanne Moore, RD Your main sources are fatty cuts of fish like salmon, mackrel and tuna. These food sources are better than fish oil capsules. You'd have to take about 10 capsules a day to get the same levels as a four ounce cut of fish. That's going to be your main food source, seafood.
Canned tuna is also an option.
Corn and safflower oils are good too, and sunflower oil. Moderator Let's talk about oil. For that reason we suggest people try to consume more unsaturated fats. Specifically try to consume monounsaturated fats. When your cooking that means the best oil to choose would be canola, peanut, or olive oil because they are the highest in monounsaturated fats and the least likely to raise blood cholesterol.