Omega-3 fatty acids are essential fats that play a crucial role in heart health, brain function, and overall well-being.

Incorporating omega-3-rich foods into your diet can help promote optimal health.

In this post, we are going to explore 15 of the best sources of omega-3 fatty acids, starting with what omega-3 fatty acids are.

Let’s dive in!

What Are Omega-3 Fatty Acids?

Omega-3 fatty acids are essential fats that the body cannot produce on its own, meaning they must be obtained through diet.

They are crucial for various bodily functions, including maintaining heart health, supporting brain function, and reducing inflammation.

There are three main types of omega-3 fatty acids: ALA (alpha-linolenic acid), found primarily in plant sources like flaxseeds and walnuts; EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), which are predominantly found in fatty fish and algae.

These fatty acids play a vital role in cell membrane structure, hormone production, and overall metabolic processes, making them essential for optimal health.

15 Best Omega-3 Foods

1. Fish Oil

Fish oil is considered one of the best sources of omega-3 fatty acids because it contains high levels of EPA and DHA, the most beneficial forms for heart and brain health.

Where it would take from 3-4+ ounces of fish daily to get the same amount of EPA and DHA, you can get the same amount in just a few soft gels.

Additionally, fish oil is easily absorbed by the body, making it an effective way to increase omega-3 intake and support overall well-being.

When it comes to fish oil, not all are created equal, and some are purer than others.

And out of all of the fish oil supplements I’ve tried, Inessa’s Advanced Omega-3 is my personal favorite.

Inessa’s Advanced Omega 3 stands out as one of my favorite omega-3 supplements due to its high potency and exceptional purity.

Each capsule delivers 1,200 mg of omega-3 fish oil, providing 840 mg of EPA and DHA, well above the recommended daily intake for heart health.

With a unique purification process that reduces contaminants and heavy metals, this supplement ensures freshness and safety.

Simply take one soft gel per day and you’re good to go!

2. Salmon

Fatty fish such as salmon is some of the richest sources of omega-3s.

These fish are loaded with EPA and DHA, the two most beneficial types of omega-3 fatty acids.

Regular consumption of fatty fish can help reduce inflammation and lower the risk of heart disease.

3. Chia Seeds

Chia seeds are tiny powerhouses packed with omega-3s, particularly ALA (alpha-linolenic acid).

They are also high in fiber and protein, making them a great addition to smoothies, oatmeal, and baked goods.

Just a couple of tablespoons can provide a significant portion of your daily omega-3 needs.

4. Flaxseeds

Flaxseeds are another excellent plant-based source of ALA.

Ground flaxseeds are more easily absorbed by the body than whole seeds, so consider adding them to your breakfast cereals, yogurt, or smoothies.

They’re also rich in fiber and lignans, which have antioxidant properties.

5. Walnuts

Walnuts are a delicious and versatile source of omega-3s.

Just a handful can provide a significant amount of ALA, along with healthy fats, protein, and fiber.

They can be enjoyed on their own, in salads, or as a topping for various dishes.

6. Hemp Seeds

Hemp seeds are not only rich in omega-3s but also provide a balanced ratio of omega-3 to omega-6 fatty acids.

They have a nutty flavor and can be sprinkled on salads, blended into smoothies, or added to baked goods for an extra nutritional boost.

7. Algal Oil

Algal oil, derived from algae, is a plant-based source of DHA and EPA, making it an excellent option for vegetarians and vegans.

It is often available in supplement form and can provide similar benefits to fish oil for heart and brain health.

8. Brussels Sprouts

Brussels sprouts are surprisingly high in ALA.

This cruciferous vegetable is also packed with vitamins, minerals, and antioxidants.

Roasting or sautéing Brussels sprouts can enhance their flavor while providing a healthy dose of omega-3s.

9. Edamame

Edamame, or young soybeans, are a fantastic source of plant-based protein and omega-3 fatty acids.

They can be enjoyed as a snack, added to salads, or incorporated into stir-fries.

Additionally, they are rich in fiber and essential vitamins.

10. Seaweed

Seaweed, particularly varieties like nori and spirulina, is a great source of omega-3s, especially for those following a plant-based diet.

It can be used in sushi, salads, or smoothies and offers a unique flavor along with a wealth of nutrients.

11. Sardines

Sardines are small fish packed with omega-3s, vitamin D, and calcium.

They are often available canned, making them a convenient and affordable option.

Enjoy them on toast, in salads, or straight from the can for a quick, nutritious snack.

12. Anchovies

Anchovies are another small fish that are rich in omega-3s.

They are often used as a flavorful ingredient in sauces, dressings, or pizza toppings.

Despite their strong taste, anchovies provide numerous health benefits and can enhance the flavor of many dishes.

13. Grass-Fed Beef

Grass-fed beef contains higher levels of omega-3 fatty acids compared to conventionally raised beef.

While the amounts are lower than in fish, incorporating grass-fed beef into your diet can still contribute to your overall omega-3 intake.

14. Cottage Cheese

Cottage cheese is a dairy product that offers a modest amount of omega-3s, particularly when made from milk sourced from grass-fed cows.

It’s also high in protein and can be enjoyed in both savory and sweet dishes.

15. Eggs

Certain eggs, particularly those labeled as omega-3 enriched, can provide a good source of these essential fatty acids.

These eggs come from hens fed a diet rich in omega-3 sources, offering a nutritious option for breakfast or snacks.

BONUS: Pumpkin Seeds

Pumpkin seeds, or pepitas, contain a small amount of ALA and are also rich in protein, magnesium, and antioxidants.

They make for a crunchy snack and can be added to salads, granola, or baked goods for added nutrition.

The Best Omega-3 Foods

Incorporating a variety of these omega-3-rich foods into your diet can significantly benefit your health.

Whether you prefer fish, seeds, nuts, or plant-based sources, there are plenty of delicious options to choose from.

Make these foods a part of your meals to support heart health, brain function, and overall well-being.

Thank you for reading!


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Medical Disclaimer

The information provided on this website is for educational purposes only and is not intended as medical advice. This blog or the writer is not a licensed healthcare professional, and the content should not be used as a substitute for professional medical diagnosis, treatment, or advice. Always consult with your physician or other qualified healthcare provider before starting any new treatment or making any changes to your healthcare routine.

Dr. Barry

Dr. Barry

February 13, 2025