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2018's 10 Best
Krill Oil Supplements

Despite fish oil’s stranglehold on the omega-3 market, krill oil is beating its way to the top. Krill has created a reputation for being denser and cleaner than fish oil. It is also known for being more environmentally friendly.

It was the 1970’s when scientists discovered omega-3 fatty acids. They were doing research on the Inuit diet, which consisted mainly of fish. This helped Inuits avoid heart disease, improve their joints, and be happier. They also had tough immune systems.

It was the 1970’s when scientists discovered omega-3 fatty acids. They were doing research on the Inuit diet, which consisted mainly of fish. This helped Inuits avoid heart disease, improve their joints, and be happier. They also had tough immune systems.

This boosted fish sales, and began the fish oil supplement craze.

It was still a while later that we learned that krill oil is as good as fish oil, if not better. It has been an uphill battle to replace fish oil with krill as top dog, but many people are coming around.

When you invest in krill oil, you are actually investing in an environmentally friendly business. They’re working to protect the environment and improve your health in one go. Interested in learning a little more about krill oil and what you’re really buying? Read on. If you’d rather Jump to our list of amazing Krill Oil Supplements, by all means take that route instead. We’re here to help wherever we can.

What is Krill Oil?

Krill is a type of crustacean that is super small and looks like a bug. Ick. They are everywhere in every ocean and are a staple food for sea creatures, especially whales. Remember that scene in Finding Nemo? “Oh, look. Krill!”

Krill reproduce quickly to accommodate larger animals. Their population is counted in the billions, if not trillions. Krill is extracted from the crustacean by a cold-vacuum once they’ve been harvested. The oil is then encapsulated and stored in a cool environment until sold.

Krill oil is a combination of two fatty acids, Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA). Although these same fatty acids can be found in fish oil, the EPA and DHA in krill is in the form of phospholipids (a phosphate group on the end of the fatty acid), making krill oil far more bioavailable. Phospholipids are found within our cell membranes providing structural support, and fatty acids in this form are easily transported into cells.

Krill harvesting is cleaner than fishing and has much less of an impact on their population. Krill harvesting is still being researched, and the research provided is limited. But what studies we have, show that harvesting has minimal impact. Especially when compared to fishing or the hunting of other sea creatures.

Krill oil is valuable and well rounded source for supporting immune function, boosting cognition, enhancing cardiovascular health, and combating inflammation.

Krill oil is the better option than any other source of omega-3s for a lot of reasons:

Krill Oil is Better Than Fish Oil

Krill beats fish oil in just about any forum. It’s cleaner, safer, more nutrient dense, and more environmentally friendly.

Krill themselves are a much cleaner source of omega-3s(1). They don’t absorb mercury or the variety of other poisons and heavy metals that fish tend to. That makes krill safer for human consumption. This also means that if and when they go bad, there is less of a chance of getting sick off the supplement.

Krill oil is known best for the dense concentrations of DHA and EPA(2), as compared to fish oil supplements. DHA and EPA are the important parts of Omega-3 fatty acids. They’re the part of the chemical that have proven benefits in every study.

The only real downfall of krill oil compared to fish oil is the cost. Typically a krill oil supplement costs more than the fish oil, but this is because there’s more DHA and EPA per capsule. But, with the added cost comes the reduced chance of a rancid, foul smelling, potentially poisonous supplement. And you’re helping the environment.

Krill Oil Benefits: Is It Really Good For You?

According to approximately 90% of studies to come out in the last 10 years, the answer is YES. Krill oil has the same benefits that fish oil has provided without the negative side effects of fish oil. The problem that most have with it, is that it’s not as heavily studied as fish oil. And as a result it hasn’t been a crowd favorite for very long. Many of the studies used to promote fish oil can be applied to krill oil. This is because they focus almost entirely on DHA and/or EPA rather than the entire product.

Heart Health

Whether it’s from krill or fish, omega-3s have proven heart health benefits. These benefits have been tested and shown time and time again.(3) Improving cardiovascular health is the most heavily researched benefit of DHA and EPA. It is concluded to be the number one health benefit.

Studies show that it can reduce blood lipid levels, which are to blame for heart disease and high cholesterol.(6) It is also a great vasorelaxant, which means it makes it easier for blood to flow through your veins and arteries.

There is still more research being conducted, so don’t take omega-3’s to replace heart medication unless directly told to by your doctor. Maybe not even then. Never underestimate the importance of a second opinion! But omega-3s have been shown to be of great help to medications when taken concurrently.(7)

Immune Health

Thanks in-part to the impacts on heart health, scientists have also found positive interaction of omega-3s with B-cells. B-cells are responsible for the creation of antibodies and cytokines, which are essential for a well-built immune system. Omega-3s can be a great help to reducing the effects, and minimizing the chance, of immune disorders.(3,4,5,8) Jump to our list of amazing Krill Oil Supplements

Omega-3’s are great for simple things like preventing colds and the flu, or more complex things like combatting rheumatoid arthritis. This is huge. Especially for people who are prone to immune disorders. Omega-3s are a relatively cheap supplement to take, and a lot of research has been put behind it to justify its ability to help.

Joint Health

As a part of heart and immune health, joint health is also a great part of taking krill oil that is rich in omega-3s.(8)

  • Heart health means more blood gets to injured or healing joints.
  • Vasorelaxant properties also improve blood flow to provide needed assistance.
  • Immune health keeps things like rheumatoid arthritis at bay.
  • Its anti-inflammatory, so it reduces pain.

These benefits have all been heavily studied and show positive results. Especially when combined with proper medication, diet, and exercise.


This is a great part of omega-3s. They change the way your body handles blood lipids and glucose, which makes life easier if you are trying to lose weight or manage diabetes. Omega-3s rarely impact diabetic medication, which is why many doctors will recommend taking them if you are prediabetic or obese.(9)

Speeding up your metabolism will help you see the same results as someone with a fully functional metabolism. It will reduce the fat and sugar in your system and give you the extra push you might need to lose weight.

Cognitive Health

Because of the way it interacts with blood flow and your glucose metabolism, omega-3s are also considered a great way to boost your mental capabilities. It has been shown to improve relations with emotions and focus. The best cognitive benefits of omega-3s are that they can:(10,11,12)

  • Reduce aggression
  • Improve memory and learning capabilities
  • Diminish depression
  • Aid medication to help bipolar disorder
  • Lessen feelings of stress
  • Moderate the chance of developing Alzheimer’s

It is in part to a lack of DHA and EPA that many people experience higher levels of aggression and memory loss, which is one of the big reasons these supplements are recommended.

Krill Oil Dosage: How Much Should You Take?

Krill oil is one of those things that you can have too much of, and there can be somewhat negative effects if you do. The problem is that the amount that is usually recommended isn’t always right for people.(3)

The first thing you need to consider when looking at a krill oil supplement is what your diet looks like. If you already eat a lot of fish or seafood, you’re probably already getting enough omega-3s. If you have very little to no seafood in your diet, then a supplement should be fine to take and will likely be very helpful.

The second factor deals with what kind of medications you might be taking. For the most part, krill oil has no effect on medications. If you are hypoglycemic though, it might present a problem. Krill oil naturally speeds up your body’s metabolism of blood sugar. If you’re already typically low on blood sugar and have to take medication, this won’t be good for you. So if you’re hypoglycemic, consult with a doctor before taking these supplements.

The last thing is to keep an eye out on is how your body reacts to the supplement. We always recommend to build up to the recommended dose of any supplement before taking the fully-recommended amount. This gives you a chance to minimize any negative side effects that may occur. If there are any, learn to know how much is too much for you, and discontinue use if necessary.

The National Institute of Health recommends that adults take between 250-500 mg of omega-3s a day (3) for general health and wellness. If your doctor prescribes it for any other ailment, your best bet will be to follow their instructions and keep them updated if you notice any negative changes.

What Happens If You Take Too Much Krill Oil?

As with all good things, there is a point at which you can have too much. Krill oil, and omega-3s especially have negative side effects when you take too much.

The most common effects are:

  • Bad breath
  • Nausea
  • Diarrhea
  • Bloating

These can mostly be mitigated by following the recommended dosages and starting the supplement regime slowly. If you notice recurring or even worsening side effects, please stop taking the supplement and call your doctor. There is a chance (albeit small) for you to be allergic or intolerant.

What Should You Look for in a Krill Oil Supplement?

This is pretty basic. There’s not a lot that a company can screw up with this kind of product. Jump to our list of amazing Krill Oil Supplements The industry has well-built guidelines and recommendations for it. Still,there are a few things to keep in mind:

  • How reputable is the company?
  • What dosage do they recommend?
  • How much does it cost?
  • Are there any other ingredients included in the supplement?

If you can answer all of these in a positive way, you’re probably looking at a good product. eSupplements is great for this because they only partner with reputable companies and only recommend products that are going to help customers.

When looking for a high quality Krill oil, look for products that have been tested for purity to avoid contamination of heavy metals. Sources that are sustainably harvested are also advised, and provide the utmost quality.


Our top 10 list of Krill Oil supplements is organized to reflect what you most value in your supplements. First and foremost is quality. All of or top ten supplements meet high standards of quality and come from brands with a proven record in excellence and purity. Another important factor in deciding the top ten was cost. You don’t have to pay through the nose to get a high quality supplement. In addition, all the companies represented on our top ten list have stellar records with customer service and prompt shipping to ensure that your supplement experience is enjoyable from the first click to your final capsule.


  1. Densie Webb, Ph.D., R.D Alternative sources of omega-3 fatty acids New Hope Network News | Apr 24, 2008
  2. Sung, Hyunsin; Sinclair, Andrew J; Lewandowski, Paul A; Su, Xiao Q Postprandial long-chain n-3 polyunsaturated fatty acid response to krill oil and fish oil consumption in healthy women: A randomised controlled, single-dose, crossover study Asia Pacific Journal of Clinical Nutrition Volume 27 Issue 1 (2018)
  3. Jones PJH, Rideout T. Lipids, sterols, and their metabolites. In: Ross AC, Caballero B, Cousins RJ, Tucker KL, Ziegler TR, eds. Modern Nutrition in Health and Disease. 11th ed. Baltimore, MD: Lippincott Williams & Wilkins; 2014. Retrieved from National Institutes of Health;Omega-3 Fatty Acids, Fact Sheet for Health Professionals; December 20, 2017
  4. Kamal Examine.com
  5. Harvard University School of Public Health Omega-3 Fatty Acids: An Essential Contribution. Nutrition Source: Copyright © 2017 The President and Fellows of Harvard College
  6. Carl J. Lavie MD, Richard V. Milani MD, Mandeep R. Mehra MD, Hector O. Ventura MD Omega-3 Polyunsaturated Fatty Acids and Cardiovascular Diseases Journal of the American College of Cardiology Volume 54, Issue 7, 11 August 2009, Pages 585-594
  7. David S. Siscovick, Thomas A. Barringer, Amanda M. Fretts, Jason H.Y. Wu, Alice H. Lichtenstein, Rebecca B. Costello, Penny M. Kris-Etherton, Terry A. Jacobson, Mary B. Engler, Heather M. Alger, Lawrence J. Appel, Dariush Mozaffarian Omega-3 Polyunsaturated Fatty Acid (Fish Oil) Supplementation and the Prevention of Clinical Cardiovascular Disease: A Science Advisory From the American Heart Association Circulation. 2017; CIR. 0000000000000482 Originally published March 13, 2017
  8. Philip Carder n?3 Polyunsaturated fatty acids, inflammation, and inflammatory diseases 1,2,3 2006 American Society for Clinical Nutrition Am J Clin Nutr June 2006 vol. 83 no. 6 S1505-1519S
  9. Cai Chen, Xuefeng Yu, and Shiying Shao, and Shahrad Taheri Effects of Omega-3 Fatty Acid Supplementation on Glucose Control and Lipid Levels in Type 2 Diabetes: A Meta-Analysis PLoS One. 2015; 10(10): e0139565. Published online 2015 Oct 2. doi: 10.1371/journal.pone.0139565
  10. Olivier Kerdiles, Sophie Layéce, Frédéric Calon Omega-3 polyunsaturated fatty acids and brain health: Preclinical evidence for the prevention of neurodegenerative diseases. Trends in Food Science & Technology Volume 69, Part B, November 2017, Pages 203-213
  11. Rhian Edwards, Malcolm Peeta, Janet Shay, David Horrobin Omega-3 polyunsaturated fatty acid levels in the diet and in red blood cell membranes of depressed patients Journal of Affective Disorders Volume 48, Issues 2–3, 1 March 1998, Pages 149-155
  12. Olivier Kerdiles, Sophie Layéce, Frédéric Calon; Omega-3 polyunsaturated fatty acids and brain health: Preclinical evidence for the prevention of neurodegenerative diseases. Trends in Food Science & Technology Volume 69, Part B, November 2017, Pages 203-213

#1 - Krill Oil

The Standout: High Quality For An Unbeatable Price

Nutricost's Krill Oil contains 1,000 mg of pure krill oil in every serving, which breaks down to 400 mg of phospholipids, 220 mg of Omega-3 fatty acids, 120 mg of EPA, 55 mg of DPA, and 80 mcg of Astaxanthin. At 22 Cents per serving, that makes Nutricost's Krill oil one of the most affordable Krill Oil supplements on the market. Each easy-to-take gel capsule is designed to minimize inflammation and support the immune system.

  • 1 Gram Krill Oil Per Serving
  • 30 Servings Per Bottle
  • 22 Cents Per Serving
  • Mercury Free
  • Immune Support

Krill oil carries Omega-3’s in the form of phospholipids, which provide the building blocks for cell membranes, regulate cellular transport, and help protect cell membranes from free radicals. Phospholipids also greatly facilitate the passage of the fatty acid molecules through the intestinal wall making them more bio-available, allows EPA and DHA to directly enter cells, and improves the omega-3 to omega-6 ratio.

Astaxanthin is a component of krill oil that protects the omega-3 fats along every stage of harvesting and processing to keep it from oxidizing and going rancid. Astaxanthin is also a potent anti-inflammatory, which helps regulate a healthy immune response.

The benefits of Nutricost's Krill oil far exceed typical fish oil supplements, and is a top tier Krill Oil competitor. You can read more reviews over on Amazon, and take advantage of 2 day free shipping with Prime.

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#2 - Krill Oil

The Standout: Crowd Favorite

Staunch Krill oil delivers a high dose of EPA and DHA in the form of phospholipids, making it highly bio-available. In fact, it is more bio-available than fish oil, making krill oil a superior choice.

  • 1 Gram Krill Oil Per Serving
  • 30 Servings Per Bottle
  • Promote Healthy Joints
  • Support Brain Function

Omega-3 fatty acids are necessary for healthy brain functio, and the brain has a particularly high level of DHA. The omega-3s in krill oil are delivered in phospholipid form lets them cross the blood-brain barrier. Omega-3s are also integral for healthy joint function, keeping inflammation down for optimal mobility.

Staunch Krill Oil also contains Astaxanthin to help with muscle recovery, minimizes inflammation, and preserves the quality of krill oil.

Keep Reading »

#3 - Transparent Labs CoreSeries Krill Oil

The Standout: 48 X More Potent Than Fish Oil

Transparent Labs CoreSeries Krill Oil is an Omega-3 supplement that contains high-quality krill oil, designed to support heart, brain, and joint healthy. Each serving delivers a concentrated source of EPA (120 mg) and DHA (55 mg) to improve a range of functions, which also include 400 mg Phospholipids, 220 mg Omega-3 Fatty Acids, and 80 mcg Astaxanthin.

  • 1 Gram Krill Oil Per Serving
  • 30 Servings Per Bottle
  • No Aftertaste
  • Support Heart Health
  • Boost Cognition

Krill oil is attached to phospholipids instead of triglycerides, like in fish oil, ultimately enhancing bio-availability and is gentler on the stomach. This also allows for better assimilation into the cells, since phospholipids create the cell membrane.

If you're seeking high quality, Transparent Labs provides top of the line, mercury free, pure Krill oil.

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SPECIAL OFFER - BOGO 50% Off! Buy One Get One Half Off - Any Transparent Labs!View Offer »

#4 - Antarctic Krill Oil

Antarctic Krill Oil is a potent, double strength Krill oil supplement that provides 1 Gram of Krill oil in every serving. Each capsule contains the advance formula Superba2, which is specially harvested from the Antarctic ocean. Support cardiovascular health and fight inflammation with the purest krill oil, Gluten and GMO-Free, from trust worthy sustainable sources. Keep Reading »

#5 - Bulksupplements Pure Krill Oil

Bulksupplements Pure Krill oil encapsulates 1 Gram of Krill oil, complete with 160 mg EPA, 80 mg DHA, 200 mg Phospholipids, and 400 mcg Astaxanthin. Each bag contains a whopping 50 servings, making Bulksupplements Krill oil not only high quality, but cost effective. Each batch is also lab tested for verification and guaranteed purity, with clean taste and aftertaste. Keep Reading »

#6 - NOW Neptune Krill Oil

NOW Neptune Krill Oil earned a spot on our 10 Best Krill Oil Supplements. Each serving requires two capsules but they put 120 capsules in every bottle to guarantee you 60 days worth of krill oil. Each serving contains 1 gram of Neptune Krill Oil in an easy-to-swallow softgel capsule. NOW Neptune Krill Oil is a potent krill oil supplement worth your attention. Keep Reading »

#7 - Doctor's Best Real Krill

Doctor's Best Real Krill is a science-based, sustainably harvested krill oil supplement high in Omega-3s, delivering 350 mg of high quality Krill oil. It's an easy-to-swallow, two-capsule supplement that utilizes an Antartic Krill Oil plus Fish Oil Omega-3 Complex. Keep Reading »

#8 - Dr. Mercola Antarctic Krill Oil

Dr. Mercola has become a household name, and his Krill oil is no exception. Each capsule contains 1 Gram of the purest Antarctic Krill without any filler ingredients. The fishery that supplies Dr. Mercola was the one and only fishery to receive an A grade for sustainability from the Sustainable Fisheries Partnership, ensuring safe and careful harvesting practices without harming the overall krill population. Keep Reading »

#9 - Source Naturals NKO

Source Naturals NKO earned the number nine spot on our list. NKO contans1 gram of krill that yields 400mg of phospholipids, 300mg omega-3 fatty acids, 150mg of EPA, 90mg of DHA, 20 mg of omega-6 acids, and 480mcg astaxanthin. Source Naturals NKO is an excellent krill oil supplement worth your consideration. Keep Reading »

#10 - Jarrow Formulas Krill Oil

Jarrow Formulas Krill Oil rounds out our 10 Best Krill Oil Supplements list. Every serving contains 1200mg of krill oil. Jarrow Formulas Krill Oil comes in an easy-to-swallow gel cap and each serving requires two capsules but it packs quite a punch. Keep Reading »

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