Best Fish Oil of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 23, 2026

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Fish oil is a popular dietary supplement that is derived from the tissues of oily fish. It is rich in omega-3 fatty acids, which are essential nutrients that play a vital role in maintaining good health. Fish oil is known to have numerous health benefits, including improving heart health, reducing inflammation, and promoting healthy brain function. It is available in the form of capsules or liquid, and can be found in most health food stores and online. Fish oil is a great addition to any diet, especially for those who do not consume enough fatty fish in their regular meals.

At a Glance: Our Top Picks

Amazon Basics Omega 3 Fish Oil 1000 mg, 90 Softgels Cover #TOP 1
Amazon Basics Omega 3 Fish Oil 1000 mg, 90 Softgels
ftb score rating icon 9.9
Sports Research Triple Strength Omega 3 Fish Oil Cover #TOP 2
Sports Research Triple Strength Omega 3 Fish Oil
ftb score rating icon 9.8
Nature's Bounty Fish Oil Softgels, Heart Health Support Cover #TOP 3
Nature's Bounty Fish Oil Softgels, Heart Health Support
ftb score rating icon 9.6

Top 10 Fish Oil

Amazon Basics Omega 3 Fish Oil 1000 mg, 90 Softgels

Amazon Basics
Amazon Basics Omega 3 Fish Oil 1000 mg, 90 Softgels Cover
Amazon Basics - Omega 3 Fish Oil, 1000 mg, 90 Softgels (1 per serving), Gluten Free

The Amazon Basics Omega 3 Fish Oil provides 1000 mg of fish oil per serving, sourced from a blend of anchovy, sardine, herring, and mackerel. This combination ensures you get a natural dose of Omega-3 fatty acids, which support heart and brain health. Each serving delivers 300 mg of these essential fatty acids to help maintain your overall wellness. With 90 softgels included, you have a convenient three-month supply, making it easy to keep up with your daily routine. Plus, this product is gluten-free, so it suits those with gluten sensitivities or dietary restrictions.

What We Like
Easy to swallow
Gentle on stomach
Increased energy
Good price and quality
No fishy aftertaste
What We Don't Like
Large pill size
Strong smell
#TOP 2

Sports Research Triple Strength Omega 3 Fish Oil

FG155
No Color
Sports Research Triple Strength Omega 3 Fish Oil Cover
Sports Research® Omega-3 Fish Oil 1250 - Triple Strength Fish Oil Supplement from Wild Alaska Pollock - MSC Certified Sustainable · Non-GMO · Soy Free - 90 Softgel Capsules

Sports Research Triple Strength Omega 3 Fish Oil is a burpless supplement with EPA & DHA fatty acids from wild Alaskan Pollock. One capsule a day is enough to get 1,040 milligrams of Omega-3 with 690 mg of EPA & 260 mg of DHA in the triglyceride molecular form. These nutrients (also known as EPA and DHA) may help support cardiovascular health, brain function and the immune system. Packed with quality ingredients, the supplement is 3rd Party Verified, MSC Certified Sustainable & Traceable, and 100% sourced from natural Alaskan Pollock.

What We Like
Easy to swallow capsules
No fishy aftertaste
High EPA and DHA content
MSC certified sustainable source
Supports joint and heart health
What We Don't Like
Bottle cap may not seal tightly
Rare damaged capsules during delivery
#TOP 3

Nature's Bounty Fish Oil Softgels, Heart Health Support

83102
200 Count
Nature's Bounty Fish Oil Softgels, Heart Health Support Cover
Nature's Bounty Fish Oil Omega 3 Supplements - Supports Heart Health, 1200 Mg Fish Oil, Omega-3, 200 Softgels (Pack of 1)

If you're looking for a way to support your heart health, Nature's Bounty Fish Oil Softgels can help. With 360 mg of Omega-3 fatty acids, including EPA and DHA, each serving promotes cardiovascular health and helps maintain triglyceride levels. The softgels are easy to take and come from the trusted vitamin and supplement experts at Nature's Bounty. They are also purified to eliminate mercury and free of shellfish, gluten, lactose, sugar, and artificial colors and sweeteners. Each bottle contains 200 softgels.

What We Like
No fishy aftertaste
High-quality, trusted brand
Great value per bottle
Supports heart health
Easy to swallow softgels
What We Don't Like
Large capsule size
Occasional mild fishy taste
#TOP 4

Nature’s Bounty Fish Oil Softgels

17130
Pale Yellow
Nature’s Bounty Fish Oil Softgels Cover
Nature's Bounty Odorless Fish Oil, 1200mg Omega-3 per Serving Including EPA & DHA, Supports Heart Health, Purified to Eliminate Mercury, Coated Softgels, Gluten Free, No Shellfish, 90 Ct

Nature’s Bounty Fish Oil Coated Softgels provide essential nutrients that play an important role in the health of your heart and cardiovascular system. These high-quality Omega-3 Fish Oil Softgels are purified to eliminate mercury, contain no shellfish, and are non-GMO, sugar- and gluten-free. One serving of Fish Oil provides 1200 mg total of EPA, DHA and other Omega-3 fatty acids.

What We Like
Odorless and no fishy aftertaste
High Omega-3 potency
Supports heart and cholesterol health
Easy to swallow softgels
Good value for price
What We Don't Like
Large pill size
Ingredients sourced internationally

Amazon Basics Fish Oil 303 mg, Lemon, Orange & Strawberry-Banana flavors, 90 Gummies (2 per Serving), EPA and DHA Omega-3 fatty acids

Amazon Basics
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Amazon Basics Fish Oil 303 mg, Lemon, Orange & Strawberry-Banana flavors, 90 Gummies (2 per Serving), EPA and DHA Omega-3 fatty acids Cover
Amazon Basics Fish Oil 303 mg, Lemon, Orange & Strawberry-Banana flavors, 90 Gummies (2 per Serving), EPA and DHA Omega-3 fatty acids (Previously Solimo)

Amazon Basics Fish Oil Gummies are a convenient and delicious way to support your heart, brain, and eye health. With EPA and DHA Omega-3 fatty acids, these gummies contribute to the normal function of the heart and play important roles in the functioning of the brain and eye. The lemon, orange, and strawberry-banana flavors, combined with other natural flavors, make these gummies a tasty treat. Plus, they are gluten-free and free from wheat, dairy, soy, and egg, making them suitable for those with dietary restrictions. Each bottle contains 90 gummies, providing a one-and-a-half month supply when taken daily at the recommended serving size. And if you're not satisfied, Amazon Basics offers a satisfaction guarantee, allowing you to get a refund within a year of purchase. Experience the benefits of fish oil in a convenient and flavorful way with Amazon Basics Fish Oil Gummies.

What We Like
Pleasant fruit flavors
No fishy aftertaste
Easy to swallow
Affordable price
Convenient daily supplement
What We Don't Like
Mild flavor preference issue
Possible rare headache concern

Viva Naturals Triple-Strength Wild Caught Fish Oil

LH-VLJY-9823
Viva Naturals Triple-Strength Wild Caught Fish Oil Cover
Triple Strength Omega 3 Fish Oil Supplement for Women and Men – 2500 mg High-Potency, Easy-to-Absorb Re-esterified Triglyceride Form, Pescatarian-Friendly DPA EPA DHA Omega 3 Supplement, 180 Softgels

Viva Naturals Triple-Strength Wild Caught Fish Omega-3 Fish Oil is a high-quality supplement that provides 2,200 mg of fish oil per serving, including 1,400 mg of EPA and 480 mg of DHA. It is designed for better absorption, with no fishy aftertaste, and is IFOS Certified, gluten-free and Non-GMO for quality, purity and potency. Customers have reported improved cardiovascular and brain health, as well as improved skin and eye health.*

What We Like
No fishy aftertaste
High EPA and DHA content
IFOS certified purity
Easy to swallow softgels
Reasonable price
What We Don't Like
Large capsule size
Occasional mild burping
#TOP 7

Nature Made Fish Oil 1000mg Softgels

2659
Yellow
Nature Made Fish Oil 1000mg Softgels Cover
Nature Made Fish Oil Omega 3 Supplements, 1000mg Softgels, Omega 3 Fish Oil for Healthy Heart Support, 250 Softgels, 125 Day Supply

Nature Made Fish Oil 1000mg Softgels are a heart health support supplement that contains 250 softgels for a 125-day supply. Each serving of two fish oil softgels provides 600mg Omega-3 fatty acids (500mg EPA and DHA) to help support a healthy heart. These gluten-free and dairy-free supplements are purified to remove mercury and other contaminants, and have no color added and no artificial flavors. Nature Made Fish Oil 1000mg Softgels are United States Pharmacopeia (USP) verified and are the Number 1 Pharmacist Recommended Vitamin & Supplement Brand.

What We Like
High Omega-3 concentration
No fishy aftertaste
Easy to swallow
USP Verified quality
Good value for money
What We Don't Like
Possible concerns about purity

Dr. Tobias Omega 3 Fish Oil – Triple Strength

DB-GADQ-0PCH
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
What We Don't Like
Price may fluctuate
Premium cost for subscription
#TOP 9

Dr. Berg Omega-3 Cod Liver Oil 1250 mg

Dr. Berg Omega-3 Cod Liver Oil 1250 mg Cover
Dr. Berg Maximum Strength Omega-3 Cod Liver Fish Oil (1250 mg) from Wild-Caught Cod - Lemon-Flavored Omega-3 Fish Oil for Women & Men - EPA DHA Supplement – 60 Softgels

Dr. Berg Omega-3 Fish Oil offers a powerful boost of omega-3 fatty acids to support your heart health, help maintain clear vision, and promote glowing skin. This supplement delivers a strong dose of EPA and DHA from wild-caught cod liver oil, ensuring you get high-quality nutrients that your body can absorb effectively. The lemon-flavored softgels make taking your daily omega-3 easy and pleasant, avoiding the common fishy aftertaste found in many liquid fish oils. With this supplement, you can conveniently support your overall wellness every day.

What We Like
High quality ingredients
Effective pain relief
PMS symptom relief
Trusted brand
Noticeable health benefits
What We Don't Like
Large capsule size
#TOP 10

Nature's Bounty Mini Fish Oil Softgels

Nature's Bounty Mini Fish Oil Softgels Cover
Nature's Bounty Mini Fish Oil Softgels, Burpless Fish Oil Omega 3 Supplements, Supports Heart Health, 90 Softgels (Pack of 1)

Nature's Bounty Mini Fish Oil Softgels are a daily supplement that supports heart and cardiovascular health by delivering 900mg of Omega-3 fatty acids per serving. They are 35% smaller than regular softgels, making them easier to swallow and are coated to prevent unpleasant fish burps. They are purified to eliminate mercury and are free of shellfish, gluten, lactose, sugar, artificial colors, and sweeteners. The mini softgels are backed by 50 years of dedication to quality and consistency by Nature's Bounty.

What We Like
Easy to swallow size
No fishy aftertaste
No fish burps
Good Omega-3 dosage
Helps reduce inflammation
What We Don't Like
May be hard for some to swallow
Slight burp aftertaste for a few
Buying Guide Image

Factors to Consider when Choosing Fish Oil

Quality and Purity

When selecting fish oil, opt for a product that is sourced from reputable manufacturers who follow rigorous quality control standards. Look for fish oil that is molecularly distilled to remove impurities, such as heavy metals and toxins. Additionally, choose fish oil derived from wild-caught fish rather than farm-raised fish, as wild-caught fish typically have a higher omega-3 fatty acid content.

Omega-3 Fatty Acid Content

The primary reason for using fish oil is to provide omega-3 fatty acids, specifically EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), which offer numerous health benefits. Ensure that the fish oil supplement you choose has a high concentration of these essential fatty acids to maximize their effectiveness.

Form and Delivery

Consider the form in which the fish oil is available. It can be in liquid form or in the form of capsules. Liquid fish oil allows for easier dosage customization, while capsules are convenient and have no fishy taste or odor. Choose the form that works best for you and your cat.

Sustainability and Ethical Sourcing

Support brands that prioritize sustainability and ethical fishing practices. Look for fish oil that is certified by reputable organizations, such as the Marine Stewardship Council (MSC), to ensure that the fish used in the oil are sourced responsibly and that ecosystems are protected.

Additional Ingredients

Some fish oil supplements may include additional ingredients to enhance their benefits, such as vitamin E for antioxidant support. Consider whether these additional ingredients align with your cat's specific needs and dietary requirements. However, always consult with your veterinarian before introducing any new supplements to your cat's diet.

Frequently Asked Questions (FAQs)

1. What exactly is fish oil good for?

Fish oil, particularly the DHA found in fish oil supplements, has potential health benefits. It has been shown to protect against Alzheimer's disease and dementia. Increased DHA consumption can also reduce the risks of diseases often associated with Alzheimer's, such as diabetes and cardiovascular disease.

2. Is it good to take fish oil everyday?

While there is no recommended daily dosage for fish oil, taking it daily can help you reach the daily recommended dosage of omega-3 fatty acids. Fish oil supports brain, eye, and heart health, and can also help fight inflammation in the body.

3. Which is better for heart CoQ10 or fish oil?

The data on CoQ10 and blood pressure is mixed, with most studies suggesting that CoQ10 does not have a significant impact on heart rate. On the other hand, fish oil has shown promising results in lowering blood pressure and has been found to decrease heart rate in some trials.

4. What happens when you start taking fish oil?

Taking fish oil, which contains omega-3 fatty acids, can help lower triglyceride levels and reduce the risk of stroke and heart attack. It is also believed to promote the suppression of irregular heartbeats, contributing to heart health.

5. When should I take fish oil benefits?

There is no significant benefit to taking fish oil at a specific time of day. However, taking fish oil with a meal that contains dietary fat may improve its absorption. Studies have shown that taking omega-3 with food that contains fat increases its bioavailability.

6. How much fish oil a day is healthy?

While the minimum dose for general good health is around 250-500mg, to see noticeable differences in heart health and blood pressure, experts suggest taking between 2,000-3,000mg of EPA and DHA combined per day.

7. Should I take CoQ10 and fish oil together?

Combining CoQ10 with fish oil can be beneficial. CoQ10 helps generate energy for cells, and its production tends to decrease as you age. Taking CoQ10 with fish oil can help the body absorb and utilize CoQ10 more effectively.

8. What are the negative side effects of fish oil?

Some potential side effects of fish oil include a fishy aftertaste, bad breath, nausea, and upset stomach. These side effects can vary among individuals.

Editor's Notes

During our fish oil research, we found 26 fish oil products and shortlisted 10 quality products. We collected and analyzed 1,010,858 customer reviews through our big data system to write the fish oil list. We found that most customers choose fish oil with an average price of $20.31.

The fish oil are available for purchase. We have researched hundreds of brands and picked the top brands of fish oil, including Sports Research, Nature's Bounty, Viva Naturals, Nature Made, Dr. Tobias. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

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.

Fish Oil Comparison Table

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Brand Amazon Basics Sports Research Nature's Bounty Nature's Bounty Amazon Basics Viva Naturals Nature Made Dr. Tobias Dr. Berg Nutritionals Nature's Bounty
Flavor Unflavored Unflavored Unflavored Unflavored Lemon & Orange & Strawberry-Banana Unflavored Unflavored Unflavored Unflavored Unflavored
Unit Count 90 Count 90.0 Count 200 Count 60 Count 90 Count 180.0 Count 250 Count 180 Count 60 Count 90 Count
Item Form Oil Softgel Softgel Softgel Gummy Softgel Softgel Soft Gel Capsule Softgel
Product Benefits chondroitin, glucosamine, manganese, vitamin C Heart Health Support Heart Health Support Heart Health Support Brain Health Support Brain Health Support; Joint Health Support; Heart Health Support Heart Health Support Bone & Joint Support, Brain Health Support, Cholesterol Management, Heart Health Support, Inflammation Management, Overall Health Heart Health Support Heart Health Support
Item Weight 0.33 Pounds 169 Grams 12.96 ounces 2.24 ounces 0.8 Pounds 386 Grams 1.11 Pounds 2.29 ounces - 4.9 Ounces
Item dimensions L x W x H 2.53 x 2.53 x 4.49 inches 5 x 2.7 x 2.7 inches 3.16 x 3.16 x 6.08 inches 2.85 x 2.85 x 5.16 inches 2.36 x 2.36 x 5.33 inches 3.15 x 3.15 x 6.1 inches 3.5 x 3.5 x 6.63 inches 2.52 x 2.52 x 5.41 inches - 2.5 x 2.5 x 4.45 inches
Special Ingredients Fish Oil Wild Alaska Pollock Fish Oil Concentrate Fish Oil Fish Oil: EPA (Eicosapentaenoic Acid) DHA, DHA (Docosahexaenoic Acid), other fatty acids Fish Oil Diary Free, Gluten Free, Non-GMO Fish Oil, Triglyceride Form, Wild Caught Fish Oil Docosahexaenoic acid, Fish Oil Docosahexaenoic acid, Eicosapentaenoic acid, Fish Oil, Omega 3 Fatty Acids - Docosahexaenoic acid, Fish Oil
Primary Supplement Type - Wild Alaska Pollock Fish Oil Concentrate Omega-3 Heart Health, Softgel - Omega-3 fatty acids, Total Omega-3 fatty acids, DHA, EPA Vitamin Non-specific Cod Liver Oil Heart Health, Omega-3, Softgel
Diet Type - Gluten Free Gluten Free Gluten Free - Gluten Free Gluten Free Gluten Free - Gluten Free
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.6
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.1
ftb score rating icon 8.9
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