Ranking the Best Fish Oil Supplements

Table of Contents

Do you want to boost your memory, improve concentration, and even reduce inflammation? Find some of the best fish oil supplements available today.

Fish oil has become a popular supplement for its claimed health benefits. But is it worth buying? Is it safe? What should I look out for?

Fish oil contains omega 3 fatty acids, essential nutrients in oily fish such as salmon, sardines, mackerel, herring, trout, and tuna. These fats are also present in other foods, including flaxseed, walnuts, soybeans, almonds, olive oil, and canola oil.

While fatty fish oil is excellent for cardiovascular health, some studies suggest it may increase the risk of cancer and heart disease. This means that you shouldn’t take fish oil without consulting your doctor.

What is Fish Oil?

What are the fish oil supplements?

The key ingredients in high-quality fish oils are the EPA (Eicosapentaenoic acid) and DHA (Docosahexaenoic acid), found in cold-water fish such as sardines and mackerel anchovies, and salmon. Some fish oil products also contain vitamin E, which helps preserve the oil’s purity and reduce scurvy (a disease caused by a lack of Vitamin C).

Dietary sources include salmon, tuna, trout, walnuts, flaxseeds, and soybeans. While these foods may be rich in Omega-3s, they don’t have optimal levels of EPA or DHA. Fish oil supplements provide a concentrated source of these long-chain fatty acids, making them a better option than dietary sources alone. 

Fish oil is obtained from the tissues of oily fish such as salmon. Herring, mackerel, and sardine contain the highest levels of omega-3 fatty acids. The most common sources of fish oil are cod liver oil (which is rich in vitamin A) and shark liver oil.

Ranking the Best Fish Oil Supplements

Nordic Naturals Ultimate Omega

Nordic Naturals Ultimate Omega, Lemon Flavor - 120 Soft Gels - 1280 mg Omega-3 - High-Potency Omega-3 Fish Oil Supplement with EPA & DHA - Promotes Brain & Heart Health - Non-GMO - 60 Servings
  • WHY OMEGA-3S - Research shows that the essential fatty acids EPA & DHA in fish oil support heart, brain, eye & immune health. Omega-3s may also help support a healthy mood.
  • DOCTOR-RECOMMENDED FORMULA - Nordic Naturals Ultimate Omega features high concentration omega-3 fish oil in soft gels. This formula meets the daily recommended dose suggested by the American Heart Association to support a healthy heart.
  • BETTER ABSORPTION, BETTER TASTE, NO FISHY BURPS - All of our omega-3 fish oil concentrates are in the triglyceride molecular form (the form naturally found in fish) for optimal absorption. Ultimate Omega has a great lemon taste.
  • PURITY GUARANTEED - Every batch of Nordic Naturals fish oil is crafted from fresh, wild-caught, omega-rich fish. We are committed to using only non-GMO, gluten- & dairy-free ingredients with no artificial colors, flavors, or preservatives.
  • ETHICAL INNOVATION - Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients for optimal wellness.

Ultimate Omega goes above and beyond routine omega-3 supplements. With this concentrated formula, you get high doses of EPA and DHA, the essential fatty acids that research shows support heart, brain, eye, and immune health. The finest fish oil in Ultimate Omega is offered in tasty natural lemon flavor or unflavored for easy-to-take soft gels to be taken once daily. Nordic Naturals employs advanced manufacturing standards and the purest ingredients to offer the World’World’st Fish Oil™.

Omega 3 Fish Oil 4,080mg – High EPA 1200mg

Arazo Nutrition Wild Caught Omega 3 Fish Oil – 120 Soft Gels – 4,080mg High EPA 1200mg DHA 900mg Lemon Flavor Burpless Softgels
  • EXTRA POTENT: High dose of 4,080mg Omega 3 fish oil, higher EPA and DHA levels than other brands with a total of 2,250mg Omega 3 fatty acid content per serving of 3 Soft Gels
  • ULTRA PURE WITHOUT MERCURY: Purified and refined with molecular distillation at very low temperatures
  • 100% WILD OCEAN CATCH: Fresh, deep sea sourced, omega-rich wild caught fish. Special extraction method for the highest volume of EPA and DHA. Sustainable and traceable, triple certified by Marin Trust, Friend of the Seas and Dolphin Safe
  • BURPLESS: Natural lemon flavor, great mild taste, odorless, easy to swallow without fishy burps. Our fish oil concentrates are extremely fresh, shown by very low oxidation (Totox) values
  • Reliable and made in a GMP certified facility here in America. Using a superior patented oil extraction method that results in extremely low levels of contaminants, oxidation and pollutants

Our Omega 3 Fish Oil is a high dose of 4,080mg Omega 3 fish oil with 2,250mg Omega 3 fatty acid content. It contains higher EPA and DHA levels than other brands. Our ultra-pure and refined formula is purified with molecular distillation at minimal temperatures to remove all heavy metals, mercury, and PCBs.PCB’sake our Omega 3 Fish Oil sustainably and traceably from 100% wild ocean-caught, fresh, deep-sea sourced, omega-rich fish.

Nature Made Fish Oil 1000 mg

Nature Made Fish Oil Supplements 1000 mg Softgels, Omega 3 for Healthy Heart Support, 250 Softgels, 125 Day Supply
  • Heart health support supplement: contains one 250 count bottle of Nature Made Fish Oil 1000 mg Softgels for a 125-day supply
  • Nature Made Omega 3 Fish Oil 1000 mg softgels are purified to remove mercury and other contaminants (2)
  • One serving of two fish oil softgels provides 600 mg Omega-3 fatty acids (500 mg EPA and DHA) to help support a healthy heart
  • Adults, take two of these Nature Made Omega 3 Fish Oil supplement softgels daily with water and a meal
  • This gluten free and dairy free Fish Oil for women and men heart supplement has no color added and no artificial flavors

Our fish oil is sourced from wild-caught fish’s best populations of the deep ocean. Just two soft gels contain 580 mg of heart-healthy omega 3 fatty acids (500 mg EPA and DHA). Nature Made’s high-quality, purified fish oil comes with a 125-day supply to help support heart health. And because it’s made with no preservatives, artificial flavors, and gluten-free, you know you’re getting the best for yourself and your family.

Fish Oil by Nature’s Bounty, Dietary Supplement

Nature’s Bounty Fish Oil 1200 mg, Supports Heart Health With Omega 3 EPA & DHA, 360 Rapid Release Softgels, Twin Pack
  • SUPPORTS CARDIOVASCULAR HEALTH: Containing naturally occurring Omega-3 fatty acids including DHA and EPA omega-3 fatty acids to help to support and maintain the health of your cardiovascular system (1)
  • 360 mg of OMEGA-3 EPA & DHA: Each serving contains 360 mg of essential fatty acids that support heart cellular and metabolic health; (1) These "good fats" may help to maintain triglyceride levels already within a normal range (1)
  • EASY TO TAKE: Not everyone enjoys seafood which is why Nature’s Bounty Fish Oil Softgels are a perfect way to obtain omega-3’s in a convenient softgel form.
  • PURIFIED TO ELIMINATE MERCURY: Nature’s Bounty is committed to safety and purity in all our supplements; Our Fish Oil Softgels are purified to eliminate mercury and contain no shellfish; gluten; lactose; sugar or artificial colors and sweeteners
  • FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Fish Oil Softgels are heart health supplements backed by 50 years of dedication to quality consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence

NatureNature’sy Fish Oil is rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), two omega-3 fatty acids that help support and maintain your cardiovascular health system. NatureNature’sy uses only the best quality fish. Our fish oil is purified to eliminate mercury. These high-quality Fish Oil Softgels are an excellent source of Omega-3 fatty acids.

MAV Nutrition Fish Oil 3600 mg Lemon Flavor Soft Gels

Triple Strength Omega 3 Fish Oil | 3600 mg EPA & DHA | Over 2100mg of Omega 3 Fatty Acids | 1300mg EPA + 860mg DHA | Best Essential Fatty Acids | Premium Burpless Softgel Supplements (120 Ct)
  • TRIPLE STRENGTH FISH OIL: The fatty acids in fish oil support healthy joints, eyes, brain, immune system, and so much more.* This Omega-3 Fish Oil complex provides 3600mg of total fish oil per serving for ultimate support, and every bottle contains a 40-day supply!
  • 1300MG EPA | 860MG DHA: MAV Nutrition’s triple strength Omega-3 Fish Oil provides super concentrated amounts of essential fatty acids. Each serving contains a high 1300 mg of EPA and 860 mg of DHA.
  • ULTRA-REFINED: Our fish oil is highly refined using the best purification method: molecular distillation. This process increases potency and filters out mercury, heavy metals, PCB's, and other toxins to below detectable limits for human consumption.*
  • SUSTAINABLE & WILD-CAUGHT: This Non-GMO fish oil is sourced purely from clean, wild caught fish from Friend of the Sea certified sustainable fisheries.
  • NO FISHY AFTERTASTE: This Omega-3 supplement is concentrated in premium burpless citrus-flavored softgels to give you clean, high-quality oil with no fishy burps or aftertaste.

The Omega 3 fatty acids found in Fish Oil have been shown to have a wide range of health benefits. Increased EPA and DHA intake reduce symptoms of several health conditions, including high blood pressure, arthritis, and high cholesterol. Our Omega 3 Fish Oil supplements are produced using only the highest quality fish sources available. Available in an easy-to-swallow soft gel capsule, our Fish Oil provides 3600mg of Fish Oil (including 864mg DHA and 1296 EPA) per serving size that is natural and pure with no additives or preservatives.

Fish Oil Omega 3 EPA & DHA 2250 mg 

Omega 3 Fish Oil Supplement - 1200mg EPA and 900mg DHA Fatty Acid Per Serving - Supports Joint, Eyes, Brain & Skin Health - Burpless Lemon Flavor, Gluten-Free, 90 Softgels (Packaging May Vary)
  • Enhanced absorption and bioavailability: Unlike most fish oil supplements on the market, BioSchwartz's ultra-pure fish oil omega 3 is extracted using a proprietary method that concentrates the value of omega-3's for enhanced absorption and superior bioavailability
  • Sustainably caught from iceland: The fish are never farm-raised; they are caught fresh from the pristine, cold waters of Iceland for exceptional purity and zero contamination, as evidenced by the rigorous testing of each and every batch
  • 2,250MG Fish Oil Per Serving - Each daily serving includes 1200mg of EPA, 900mg of DHA, and 150mg of other Omega-3’s to support brain, eye, and whole body health
  • Supports Joint, Eyes, Brain & Skin Health: Fish oil naturally supports many aspects of whole body health in men and women
  • The BioSchwartz difference: Our Omega 3 Fish oil softgels are pescaterian-friendly, non-GMO, gluten free, manufactured in the USA in a cGMP-compliant facility, and third-party tested for purity, ensuring the highest levels of quality (Packaging may vary)

Most fish oil supplements contain low purity, low absorption fish oil. Our high-quality Omega 3 supplement is ultra-pure and free of toxins commonly found in other fish oil capsules. Proprietary Supercritical Extraction concentrates the value of omega-3s, including EPA and DHA, for super absorption and superior bioavailability. Our Fish Oil Omega 3 EPA & DHA is extracted from fresh Icelandic deep-sea cod (Skate) through the proprietary Supercritical Extraction process.

Antarctic Krill Oil 350mg Omega 3 Fatty Acid Supplement 

MegaRed Krill Oil 350mg Omega 3 Supplement, 1 Dr Recommended Krill Oil Brand with EPA, DHA, Astaxanthin & Phopholipids, Supports Heart, Brain, Joint and Eye Health - 130 Softgels (130 Servings)
  • 🦐ANTARCTIC KRILL OIL: We source the best, It’s our thing. MegaRed is proud to source krill from the Antarctic -- where krill is the most abundant!
  • ❤️OMEGA 3 SUPPLEMENT: MegaRed Omega 3 Krill Oil has been shown to significantly increase your omega 3 index in just 30 days.* Supportive research has shown that consumption of EPA and DHA omega-3 fatty acids may reduce the risk of coronary heart disease§.
  • ❤️HEART HEALTH: Getting to the heart of the matter is our specialty. MegaRed Omega-3 Krill Oil is a combination of omega-3 fatty acids that helps support heart health in a once daily softgel*. Astaxanthin is a naturally occurring antioxidant that gives krill its red color.
  • 🦐#1 KRILL OIL BRAND: MegaRed is the #1 Doctor Recommended Krill Oil brand. Our reputation speaks volumes – and so do our countless 5 star ratings and reviews!
  • 🦐OMEGA OBSESSED 15 YEARS: MegaRed has been Omega-3 obsessed since the beginning, with innovative ingredients to keep your body supported so you can power through your day.*

MegaRed presents a heart-healthy supplement made from pure krill oil from one of the world’s abundant and sustainable organisms. This soft gel provides essential Omega-3 fatty acids EPA and DHA, which have been shown to support heart health in conjunction with a healthy diet.

Nature Made Burp-Less Fish Oil 1000 mg with 300 mg Omega-3

Nature Made Burpless Omega 3 Fish Oil Softgels - 1000mg for Heart Health, 150 Softgels, 75 Day Supply
  • Heart health support supplement: contains one 150 count bottle of Nature Made Burp Less (3) Fish Oil 1000 mg Softgels with 300 mg Omega-3 fatty acids, for a 75-day supply
  • This Burp-less (3) Nature Made Omega 3 Fish Oil supplement is purified to remove mercury and other contaminants (2)
  • Two fish oil softgels provide 600 mg Omega-3 fatty acids (500 mg EPA and DHA) to help support a healthy heart
  • Adults, take two Omega 3 Fish Oil 1000 mg softgels daily with water and a meal
  • This Fish Oil for women and men heart supplement is gluten free, dairy free, and has no color added and no artificial flavors

Nature Made Fish Oil supply comes from cold-water fish. Supports a healthy heart. The contaminant screening procedure used by Nature Made meets quality standards set by the USP and SMIC to help ensure the purity and potency of every Nature Made product. FDA has determined that there is no scientific evidence supporting the claims: supports heart health, supports brain health, supports eye health, promotes healthy joints, promotes normal blood pressure, helps maintain mood balance at daily dosages up to 3g of omega-3 fatty acids EPA and DHA.

Important notice before buying any Fish Oil Supplement

Important notice before buying any Fish Oil Supplement

Fish oil is good for you. This is not in dispute. But what is up for debate (and a matter of great confusion to most people) is the issue of quality, purity, and potency of fish oil supplements.

The facts are: There are thousands of fish oil supplements on the market today, but only a few have been clinically proven to provide the health benefits you expect from a high-quality fish oil supplement.

The quality of fish oils varies widely. Many manufacturers produce inferior products that lack potency, are poorly manufactured, and may contain contaminants such as mercury, PCBs, or other toxins.

We have discovered that many Fish Oil Supplements currently on the market do not have the proper amounts of Omega 3 fatty acids in them. This is because they use a cheap and ineffective extraction method when processing the fish oil. This is not only a serious concern for your health but a low value for money.

Why is this so important?

The Omega 3 oils in fish oil supplements make them so effective. It’s tIt’s essential fatty acids that help promote heart health, brain health and cognitive function, support healthy joints, and healthier-looking skin and hair.

So if you aren’taren’tng enough Omega 3 essential fatty acids from your supplement, then you’reyou’rey wasting your time and money. Your body will not benefit from poor-quality fish oil supplements, no matter how much you take each day.

What causes this to happen?

This is due to a practice known as “molec” lar distillation” bein” used by some companies to process their fish oils to extract the Omega 3 oils. This involves heating the fish oil under high pressure to separate the various components of the oil (including any impurities). This results in a lower concentration of Omega 3 oils in

Who Should Buy Fish Oil Supplements?

Fish oil supplements are generally safe for everyone.

They’rThey’reially beneficial for people who don’t regularly and may be low in omega-3 fatty acids. However, certain people should use caution when taking fish oil supplements, including:

People with high blood pressure.

Omega-3 fatty acids may increase blood pressure slightly in some people. If you already have high blood pressure, this can be problematic. Avoid fish oil if you have hypertension unless your doctor has told you otherwise.

People with diabetes.

Fish oil can lower blood sugar levels, a problem for people with type 2 diabetes who take medication to lower their blood glucose levels. While fish oil may be fine for most diabetics to take, check with your doctor first, especially if you take medications to control your diabetes.

Individuals with heart disease.

Omega-3 fatty acids have been shown to help lower high blood pressure and triglycerides. In addition, they may reduce the risk of death from sudden cardiac arrest and stroke in individuals with coronary artery disease.

Individuals with inflammatory diseases such as arthritis and asthma.

Fish oil may reduce pain associated with rheumatoid arthritis and help control asthma attacks by reducing lung inflammation.

Women who are pregnant or breast-feeding.

Omega-3 fatty acids are essential for developing a baby’s eyes during pregnancy and in infancy after birth. Some studies have also found that taking fish oil supplements before pregnancy can reduce the risk of postpartum depression by 60 percent.

What are the Health Benefits of Fish Oil Supplements?

Fish oil supplements can be a rich source of omega-3 fatty acids, one of the most heart-healthy nutrients around. For example, the American Heart Association recommends eating oily fish (such as salmon, mackerel, and sardines) at least twice per week to reduce the risk of cardiovascular disease.

However, some people don’t don’tfish or prefer not to eat it due to food safety concerns. In these cases, fish oil supplements may be a good option.

Fish oil has many other health benefits besides heart health:

Fish oil may help people with rheumatoid arthritis by relieving pain and stiffness in joints and helping to prevent joint destruction. It may also reduce inflammation in people with lupus erythematosus (SLE).

Though it hasn’t been investigated extensively yet, there is some evidence that fish oil may effectively reduce symptoms of depression such as anxiety and hopelessness.

Fish oil may also reduce the risk of cancer.

In one study, men who consumed high omega-3 fats had a 43 percent lower risk of developing prostate cancer than those who consumed less omega-3s. Though more research is needed on this topic, high amounts of omega-3 fats have also been associated.

Fish oil supplements are made by extracting the oils from certain types of fish, usually oily fish like salmon, mackerel, and sardines.

Fish oil is a rich source of omega-3 fatty acids.

Omega-3 fats are also known as polyunsaturated fatty acids (PUFAs).

The main active components in fish oil are omega-3 fatty acids: eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).

Omega-3 fats are essential nutrients that play critical roles in your body and are linked to many health benefits.

However, most people don’t don’tnough of them through their diet. This is especially true for people who follow a Western diet, typically low in these beneficial fats.

This is why fish oil supplements have become increasingly popular over the past years. They’re an easy way to add more omega-3s to your diet.

Fish oil supplements have been shown to lower triglycerides, a form of fat circulating in your blood. High triglycerides can increase the risk of heart disease and type 2 diabetes.

Fish oil supplements may also help prevent the buildup of plaques that narrow the arteries (atherosclerosis). These plaques can lead to heart attacks and strokes.

Some studies have shown that fish oil may help with the following health benefits:

  • High triglycerides
  • High blood pressure
  • Decreased risk of heart attack and stroke
  • Rheumatoid arthritis (RA)
  • Some autoimmune diseases, like Crohn’Crohn’sse and lupus
  • Some mental illnesses, like depression and bipolar disorder

What are the Side Effects of Fish Oil Supplements?

Potential side effects of fish oil supplements include bleeding, indigestion, and heartburn. The FDA prohibits fish oil supplements from containing more than 3 grams of omega-3 fatty acids per serving.

According to the American Heart Association, people considering taking a fish oil supplement should first consult with their doctor. This is especially true for people with a clotting disorder or blood thinners, such as warfarin.

Heart disease Issues

People who have heart disease should also consult with their doctor before taking a fish oil supplement because there is not enough clinical evidence to support using fish oil supplements as a treatment for cardiovascular disease.

Digestive Issues

People who take fish oil supplements may experience digestive issues, including a bad taste in the mouth or nausea. Taking fish oil supplements with food may reduce these gastrointestinal problems.

Side effects of fish oil supplements are minimal, but they may cause bad breath, belching and mild stomach upset. You should avoid taking fish oil supplements if you have a seafood allergy or take blood thinners. Talk to your doctor before taking fish oil supplements if you have heart disease, diabetes, psychiatric disorders, or bleeding disorders.

What is the Recommended Dosage of Fish Oil Supplements?

The daily recommended dosage of fish oil supplements varies by condition. According to the National Institutes of Health, people with heart disease or high cholesterol should take 1 gram of fish oil daily. People with rheumatoid arthritis or are taking blood thinners should take 3 grams daily.

If you have a medical condition, consult your doctor to determine your recommended dose. For example, the National Institutes of Health (NIH) recommends 2 g daily of EPA and DHA for people with coronary heart disease. In contrast, the American Heart Association (AHA) recommends 1 g daily for people without coronary heart disease.

You can also use guidelines provided by the International Society for the Study of Fatty Acids and Lipids (ISSFAL), which recommends that healthy adults get 500 mg to 1 g daily of combined EPA and DHA, depending on their risk factors for heart disease.

You can also get omega-3s through food sources such as salmon and nuts. Still, the American Heart Association recommends that people with cardiovascular disease take 2 to 4 grams of EPA and DHA in capsule form daily.


How do you know if your fish oil is of good quality?

You can check the label for the omega-3 fatty acids content. A higher percentage indicates better quality.

How many 1000mg fish oil pills should I take a day?

A person needs about 2-3 grams of omega 3 fatty acids per day. To get this amount from fish oil supplements, it would be best to take 1 gram daily, divided into two doses.

What is the best fish oil supplement for cholesterol?

The best fish oil supplements for cholesterol contain EPA and DHA omega-3 fatty acids.

What is the best fish oil supplement for men?

Men’s best fish oil supplements are those with high omega-3 fatty acids. These include fish oils such as salmon, tuna, sardines, mackerel, herring, and anchovies.

Does fish oil supplementation improve your overall health?

Fish oil supplements are great for improving your overall health. They help with digestion, brain function, heart disease, and cancer prevention.