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Amping Up Your Omega 3 Foods List: How to Get More Omega 3 in Your Diet

food is highest in omega-3

Omega-3s are fatty acids that benefit your health in numerous ways. Since your body does not make them by itself, in order to function properly, you need to get them from foods and dietary supplements.

Did you know that most adults in the US don’t get enough Omega-3s in their diet? Omega-3 foods list can help fight depression, improve eye health and brain health, decrease risk factors of heart disease, and reduce symptoms of ADHD.

What Food Contains Omega 3 and What Types of Omega-3s Are There?

There are three types of omega-3 fatty acids: Docosahexaenoic acid (DHA), alpha-linolenic acid (ALA), and eicosapentaenoic acid (EPA).

  • Docosahexaenoic acid is present in oily fish, such as mackerels, salmon, and sardines.
  • Alpha-linolenic acid is found in seeds, nuts, and vegetable oils.
  • Eicosapentaenoic acid is present in oily fish.

What Food Is Highest in Omega-3 Fatty Acids?

Fish as well as other sea food are a rich source of omega-3s. Certain vegetable oils, nuts, seeds, and fortified foods also provide omega-3 fatty acids. In what follows, we’ve presented a list of different Omega-3 foods list that include all sorts of foods that are high in omega-3.

1. Salmon

Half a fillet of farmed and cooked salmon contains 4,123 milligrams of omega-3s, while 100 grams of salmon contain 2,260 milligrams. Salmon is also packed with vitamins and minerals, such as B vitamins, vitamin C, vitamin D, phosphorus, potassium, sodium, selenium, and it has protein too.

Additionally, studies have indicated that regularly consuming fatty fish, including salmon, or fish oils which are a rich source of EPA and DHA, decreases all-cause myocardial infarction, cardiac death, and stroke and it reduces symptoms of depression as well (1,2).

2. Mackerel omega 3 Mackerel 

100 grams of mackerel contain 5,134 milligrams of omega-3s. Mackerel also contains a good amount of selenium and vitamin B12.

3. Herring

100 grams of Atlantic herring have 2,366 milligrams of omega-3 fatty acids. Herring is also high in vitamin D, vitamin B12, and selenium.

4. Sardines

Although they’re small, they are very nutritious. They’re packed with vitamin B12, vitamin D, phosphorus, selenium, and calcium, and there are 1,480 milligrams of omega-3s in 1oo grams of canned sardines.

5. Caviar

This luxurious food is made of fish eggs and it’s usually consumed as a garnish or starter. It’s packed with omega-3 fatty acids, 100 grams of caviar have 6,786 milligrams of omega-3s. Caviar is also packed with choline.

6. Trout

There are 581 milligrams of omega-3s in 2.2 ounces of trout. Trout is also high in vitamin D, potassium, and protein.

7. Cod Liver Oil

This oil is extracted from a codfish’s liver. One tablespoon of cod liver oil contains 2,682 milligrams of omega-3s. Cod liver oil is also a good source of vitamin A and vitamin D.

8. Anchovies

100 grams of canned anchovies contain 2,113 milligrams of omega-3s. Anchovies are also high in selenium and niacin.

9. Shrimp

Shrimp omega 33.0 ounces of shrimp contain 267 milligrams of omega-3 fatty acids. Shrimp is also a good source of potassium and protein.

10. Oysters

Oysters need to make high positions in you Omega-3 foods list as well. 100 grams of oysters have 435 milligrams of omega-3 fatty acids. What’s characteristic about oysters is that they’re extremely loaded with zinc. They also have a good amount of vitamin B12 and copper.

11. Chia Seeds

28 grams of chia seeds have 5,060 milligrams of omega-3 fatty acids. Chia seeds are also a rich source of magnesium, manganese, selenium, amino acids, and protein.

12. Soybeans

100 grams of roasted soybeans have 1,443 milligrams of omega-3s.  Soybeans are also loaded with fiber, potassium, vitamin K, folate, magnesium, riboflavin, and vegetable protein.

13. Flax SeedsFlax Seeds omega 3

One tablespoon of flax seeds contains 2,350 milligrams of omega-3s, whereas 1 tablespoon of flax seeds oil has 7,260 milligrams. Among whole foods, flax seeds are the highest in alpha-linolenic acid (ALA), which is why people commonly use the oil extracted from these seeds like an omega-3 supplement. Flax seeds also have a good amount of magnesium, fiber, and omega-6 fatty acids.

14. Walnuts

Approximately 14 walnut halves contain 2, 570 milligrams of omega-3 fatty acids. Walnuts are also packed with fiber, vitamin E, manganese, and copper.

15. Hemp Seeds

1 tablespoon of hemp seeds contains 1,000 milligrams of omega-3s. These seeds also have a good amount of phosphorus, magnesium, calcium, potassium, and protein.

16. Mustard Seed

1 tablespoon of ground mustard seed has 239 milligrams of omega-3s. Mustard seed also has a good amount of phosphorus, potassium, choline, and magnesium.

17. Canola Oil

1 tablespoon of canola oil has 1, 279 milligrams of omega-3s. This oil is also a rich source of omega-6 fatty acids.

What Fruit Has Omega-3 Fatty Acids?avocado omega 3

Avocados have a good amount of omega-3 fatty acids. 100 grams of avocado contain 111 milligrams of omega-3s. Other fruits which are high in omega-3s are the following: raspberries, blackberries, blueberries, and guavas. 

What Vegetables Have Omega-3 Fatty Acids?

  • Navy beans. 1 cup of cooked navy beans contains 375 milligrams of omega-3 fatty acids. Navy beans are also rich in fiber and protein.
  • Red lentils.  There are 240 milligrams of omega-3s in ½ cup of raw red lentils. Red lentils are also a rich source of potassium, magnesium, zinc, and B vitamins.
  • Spinach. 1 cup of cooked spinach contains 166 milligrams of omega-3s. Spinach also has a good amount of vitamin E, choline, and betaine.
  • Brussels sprouts. There are 135 milligrams of omega-3 fatty acids in ½ cup of cooked Brussels sprouts. This vegetable is also a good source of vitamins K, C, and A as well as manganese and folate.
  • Kidney beans. ½ cup of kidney beans has 0.10 grams of Alpha-linolenic acid (ALA). Kidney beans are also a good source of protein, iron, folate, copper, potassium, and manganese.

Do Eggs Have Omega-3 Fatty Acids?

If you’re not a big fan of seafood, then you can definitely include omega-3 enriched eggs in your diet. You’re probably wondering how omega-3 fatty acids get to eggs. Well, the answer is pretty easy. Eggs containing omega-3s are laid by hens which are fed on chia seeds, fish oil, and flax seeds. One egg contains approximately 100 to 500 milligrams of omega-3s.

Does Milk Contain Omega-3 Fatty Acids?

Milk is not believed to be a good source of omega-3s, although it can be fortified with these acids. In cows fed on vegetables that contain omega-3 fatty acids, or canola, or flax seed, there’s a maximized transfer of omega-3s from their diet to their milk. There is less than 1 gram of these acids in 244 grams of milk with 3.25 percent of fat. Additionally, conventional milk has a lower rate of omega-3s than organic milk, (organic milk refers to the milk produced by cows that are grass-fed).

Health Benefits of Omega-3 Fatty AcidsHealth Benefits of Omega-3

1.They Regulate Blood Sugar Levels

One study has revealed that omega-3 fatty acids have a protective effect on blood sugar levels. 148 Brazilian people with impaired glucose tolerance were included in the study and they were asked to consume Omega-3 foods with fatty acids over 12 months. After this period of time passed, 92 participants had normal levels of plasma glucose. It was also shown that some of the participants were more likely to enhance glucose disturbances (3).

2. Combined with Physical Exercise They Promote Weight Loss

One piece of medical research has proved this. 75 overweight or obese people were included in the research and they were assigned to two groups: Participants in the first group were asked to consume vegetable oil high in omega-6 fatty acids every day with or without doing exercises and participants in the other group were asked to take fish oil high in omega-3s with or without exercising for 12 weeks. The results showed that only the participants who took fish oil supplementation and exercised lost body fat (4).

3.They Reduce Inflammation

Omega-3 fatty acids may decrease the production of compounds that cause inflammation in the body. One study has reported that these acids have anti-inflammatory activities, and for this reason, they might be an effective tool for managing autoimmune and inflammatory conditions (5).

4. They Curb Your Appetite

One study which examined the impact of long chain omega-3s on appetite in obese and overweight people who are on calorie-restricted diet indicated that omega-3 fatty acids modulate satiety (6). So, if you want to feel full for longer, make sure you include omega-3 rich foods in your diet.

5. They Improve Your Cardiovascular Health

The DHA and EPA present in supplements and foods can reduce levels of triglycerides in the blood, thereby lowering the risk of developing heart diseases. However, these acids may slightly increase your bad cholesterol levels.

6. They Might Prevent Dementia and Alzheimer’s Disease

Some pieces of research indicate that people with increased omega-3s intake might be less likely to develop dementia or Alzheimer’s. However, more research is needed so as to better examine the impact of omega-3s on the brain.

7. They Have a Positive Effect during Pregnancy

Pregnant women should consume around 12 ounces of fish or other seafood a week as this may maintain the health of their baby. Nevertheless, they should eat fish that isn’t high in mercury, such as sardines, trout, herring, and salmon and they should eat two portions of fish a week at the maximum. They should also avoid consuming swordfish and shark. It’s worth mentioning that many formulas for feeding babies have DHA present in them.

8. They May Help Alleviate Symptoms of Rheumatoid Arthritis

Rheumatoid arthritis leads to stiffness and pain in the joints. Combining supplements that are rich in omega-3s with conventional medications for RA may help control this condition. For instance, for those suffering from RA, taking these supplements may cause them to lower the number of medicines they take to relieve their pain.

9. They May Prevent Age-Related Macular Degeneration

This is one of the conditions that lead to vision loss in older people. Increased intake of omega-3 fatty acids may decrease the risk of developing AMD. However, taking supplements containing omega-3s doesn’t prevent AMD from worsening when a person already has this condition.

Omega-3 Fatty Acids vs Omega-6 Fatty Acids

Omega-6 fatty acids are also obtained from food and as omega-3s, these acids play an essential role in our bodies too. However, there should be a balance between omega-3s and omega-6 fatty acids in the body as this is needed for the prevention of inflammatory processes.  Namely, consuming large quantities of omega-6 fatty acids interferes with the anti-inflammatory properties of omega-3s.

Foods which are a rich source of omega-6 include: seeds, meat, safflower oil, avocado oil, tofu, corn, and nuts. So, to prevent inflammation in your body, make sure you consume less foods rich in omega-6 and consume more foods packed with omega-3s.

Side Effects

Omega-3 fish oil can have some unwanted side effects, such as:

  • Stomach upset
  • Nausea
  • Heartburn
  • Bad breath
  • Unpleasant taste
  • Loose stools
  • If you consume more than 3 grams of this oil a day, it can cause bleeding. So, prior to increasing the amount of fish oil, consult your physician so as to determine what dose is good for your health.
  • It is still not sure if people who are allergic to seafood can consume fish oil safely.
  • Supplements containing omega-3 fatty acids may interact with anticoagulant medications.


  • Omega-3 fatty acids are found in foods and dietary supplements.
  • Docosahexaenoic acid (DHA), alpha-linolenic acid (ALA), and eicosapentaenoic acid (EPA) are the three types of omega-3s.
  • There are many foods which are rich in omega-3s, but fish is the highest in these acids.
  • Omega-3 fatty acids have several health benefits.
  • Omega-3 fatty acids and omega-6 fatty acids should be balanced in the body.
  • Consuming omega-3s can have unwanted side effects.
Amping Up Your Omega 3 Foods List: How to Get More Omega 3 in Your Diet