Best Omega 3 Supplements for Immune Support of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 28, 2026

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Omega 3 supplements are known for their numerous health benefits, including immune support. These supplements contain essential fatty acids that help regulate the body's immune response, reducing inflammation and strengthening the immune system. Omega 3 supplements are particularly helpful for individuals with weakened immune systems, such as those with autoimmune diseases or chronic illnesses. They are also great for promoting overall health and wellness, as they support brain function, cardiovascular health, and joint health. With so many benefits, it's no wonder that omega 3 supplements are a popular choice for those looking to boost their immune system and improve their overall health.

At a Glance: Our Top Picks

Nordic Naturals Omega-3 Cover #TOP 1
Nordic Naturals Omega-3
ftb score rating icon 9.9
Dr. Tobias Omega 3 Fish Oil – Triple Strength Cover #TOP 2
Dr. Tobias Omega 3 Fish Oil – Triple Strength
ftb score rating icon 9.8
Nordic Naturals ProOmega 2000 Lemon Flavor Cover #TOP 3
Nordic Naturals ProOmega 2000 Lemon Flavor
ftb score rating icon 9.6

Top 6 Omega 3 Supplements for Immune Support

Nordic Naturals Omega-3

RUS-02759
Nordic Naturals Omega-3 Cover
Nordic Naturals Omega-3, Lemon Flavor - 90 Soft Gels - 690 mg Omega-3 - Fish Oil - EPA & DHA - Immune Support, Brain & Heart Health, Optimal Wellness - Non-GMO - 45 Servings

Nordic Naturals Omega-3 is a high-quality fish oil supplement that provides essential fatty acids EPA and DHA to support heart, brain, eye, and immune health. It is perfect for those new to fish oil, as it offers a generous serving of omega-3s in soft gels. The triglyceride molecular form ensures better absorption and the lemon flavor eliminates the unpleasant fishy burps. Crafted from fresh, wild-caught, omega-rich fish, Nordic Naturals guarantees purity. They are committed to using only non-GMO, gluten- and dairy-free ingredients with no artificial colors, flavors, or preservatives. With Nordic Naturals Omega-3, you can enjoy the benefits of omega-3s for optimal wellness.

What We Like
No fishy aftertaste
High purity and third-party tested
Easy to swallow softgels
Supports brain and heart health
Wild-caught, sustainable sourcing

Dr. Tobias Omega 3 Fish Oil – Triple Strength

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Dr. Tobias Omega 3 Fish Oil – Triple Strength Cover
Dr. Tobias Omega 3 Fish Oil 2000mg Triple Strength with 800mg EPA 600mg DHA Per Serving | Fish Oil Omega 3 Supplements for Heart Brain & Immune Support - 180 Softgels (90 Servings)

Dr. Tobias Omega 3 Fish Oil is an extra strength dietary supplement that contains 2,000 mg of fish oil per serving, delivering 1,400 mg of omega 3s – that's 3x more than traditional fish oil pills! Every capsule has the perfect ratio of 800 mg of EPA & 600 mg of DHA, giving you the most out of every dose. The enteric coating enables better absorption to help provide the full benefits of fatty acids and our advanced purification process helps make the pills easy to swallow, with no fishy aftertaste or burps.

What We Like
No fishy aftertaste
High EPA and DHA content
Improves joint and brain health
Odorless and easy to swallow
Responsive customer service

Nordic Naturals ProOmega 2000 Lemon Flavor

PUS-12137
Nordic Naturals ProOmega 2000 Lemon Flavor Cover
Nordic Naturals ProOmega 2000, Lemon Flavor - 120 Soft Gels - 2150 mg Omega-3 - Ultra High-Potency Fish Oil - EPA & DHA - Promotes Brain, Eye, Heart, & Immune Health - Non-GMO - 60 Servings

The Nordic Naturals ProOmega 2000 Lemon Flavor is an ultra high-potency fish oil supplement consisting of 2150 mg Omega-3 fatty acids. The formula contains EPA & DHA, which promote brain, eye, heart, and immune health.

What We Like
Doctor-recommended formula
Better absorption, better taste, no fishy burps
Purity guaranteed
Ethical innovation
#TOP 4

Nordic Naturals Ultimate Omega-D3 Soft Gels

RUS-01792
Nordic Naturals Ultimate Omega-D3 Soft Gels Cover
Nordic Naturals Ultimate Omega-D3, Lemon Flavor - 90 Soft Gels - 1280 mg Omega-3 + 1000 IU Vitamin D3 - EPA & DHA - Promotes Brain, Heart, & Immune Health - 45 Servings

Nordic Omega-D3 Soft Gels are packed with benefits for you. The essential fatty acids EPA & DHA in fish oil promote heart, brain, eye, and immune health. They can also help uplift your mood. This doctor-recommended formula offers high concentration omega-3 fish oil with added Vitamin D3, supporting calcium absorption, mood, joint, and immune system health. With better absorption and a pleasant lemon taste, you won't experience any fishy burps. Nordic Naturals ensures purity with fresh, wild-caught fish, non-GMO, gluten- & dairy-free ingredients, and no artificial additives.

What We Like
High EPA & DHA
Vitamin D3 Support
Optimal Absorption

MAV Nutrition Vegan Omega 3 Algae Oil

MAV Nutrition Vegan Omega 3 Algae Oil Cover
Vegan Omega 3 Algae Oil | Plant Based DHA EPA | Sustainably Sourced, No Carrageenan, Non GMO | Heart, Brain, and Eye Health | Fish Oil Alternative | Algae Omega 3 Supplement | 60 Softgel Capsules

MAV Omega 3 Algae Oil is a vegan supplement that provides you with a powerful dose of Omega-3 fatty acids. Each serving contains 450mg of DHA and EPA, essential for supporting heart health, cognitive function, and overall well-being. Since these softgels are fish-free and sourced from sustainable microalgae, you can enjoy the benefits without the fishy aftertaste or environmental concerns. Plus, with no carrageenan and made in a certified facility, you can trust the quality of what you're taking. This convenient supplement fits seamlessly into your daily routine for comprehensive health support.

What We Like
High DHA and EPA content
Sustainably sourced ingredients
No fishy aftertaste
Non-GMO and gluten-free
Convenient softgel form

Nordic Naturals Ultimate Omega 2X

Nordic Naturals Ultimate Omega 2X Cover
Nordic Naturals Ultimate Omega 2X, Lemon Flavor - 120 Soft Gels - 2150 mg Omega-3 - High-Potency Fish Oil with EPA & DHA - Promotes Brain & Heart Health - Non-GMO - 60 Servings

Get your daily dose of essential fatty acids with Nordic Naturals Ultimate Omega 2X. This doctor-recommended formula provides a high concentration of Omega-3s to support heart, brain, eye, and immune health, as well as a healthy mood. The triglyceride molecular form ensures better absorption, while the lemon flavor ensures no fishy burps. Nordic Naturals is committed to purity, using only non-GMO, gluten-free, and dairy-free ingredients with no artificial colors, flavors, or preservatives. Plus, their ethical innovation guarantees safe and effective nutrients for optimal wellness.

What We Like
High concentration of Omega-3s for heart, brain, eye, and immune health
Better absorption with triglyceride molecular form
Lemon flavor ensures no fishy burps
Purity guaranteed with non-GMO, gluten-free, and dairy-free ingredients
Ethical innovation for sustainable and safe nutrients
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Does omega-3 improve immune system?

Omega-3s and immune health Research has shown that the benefits of omega-3s EPA and DHA can extend beyond heart, brain and eye health, to help support optimal immunity.

2. Does omega-3 Help Fight Covid?

The omega-3 FA is known to produce less pro-inflammatory cytokines, therefore increasing omega-3 FA intake in the diet or supplementation could decrease viral entry, promote better immune function, and decrease severity among those who have been diagnosed with COVID-19.

3. Do fish oil pills help your immune system?

They found that DHA-enriched fish oil enhanced B cell activation and select antibody production, which may actually aid immune responses associated with pathogen clearance, while possibly dampening the totality of the inflammatory response.

4. What happens when you take omega-3 every day?

Studies suggest that high doses of omega-3, ranging from 200–2,200 mg per day, can reduce symptoms of depression and anxiety ( 12 , 13, 14 , 15 ). In cases of mood and mental disorders, a supplement with higher amounts of EPA than DHA may be optimal.

Editor's Notes

During our omega 3 supplement for immune support research, we found 24 omega 3 supplement for immune support products and shortlisted 6 quality products. We collected and analyzed 464,966 customer reviews through our big data system to write the omega 3 supplements for immune support list. We found that most customers choose omega 3 supplements for immune support with an average price of $27.86.

The omega 3 supplements for immune support are available for purchase. We have researched hundreds of brands and picked the top brands of omega 3 supplements for immune support, including Nordic Naturals, Dr. Tobias, MAV NUTRITION. The seller of top 1 product has received honest feedback from 5,040 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.