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2021's 10 Best
Krill Oil Supplements

Despite fish oil’s stranglehold on the omega-3 market, krill oil has emerged as a viable contender. And for good reason. Krill oil has created a reputation for being denser and cleaner than fish oil. It is also known for being more environmentally friendly.

In the 1970s, omega-3s got more attention due to 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. These findings boosted fish sales, and started the fish oil supplement craze.

It was still a while later that we learned that krill oil is just as good as fish oil, if not better. Fish oil still dominates the omega-3 market, but many people are coming around on the pluses of krill oil.

When you use krill oil, you are investing in an environmentally-friendly product. You’re working to protect the environment and improve your health at the same time. Interested in learning 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 and 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 numbers in the billions, if not trillions. Krill oil 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, EPA and DHA. These same fatty acids can be found in fish oil. However, the EPA and DHA in krill is in the form of phospholipids, making krill oil far more bioavailable. Phospholipids are found within our cell membranes and provide structural support. Fatty acids in this form are easily transported into cells.

How Does Krill Oil Compare to Fish Oil?

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

Krill themselves are a much cleaner source of omega-3s. 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 it goes bad, there is less of a chance of getting sick from the supplement.

Krill harvesting also has much less of an impact on the krill population than fishing has on the fish population.

Krill oil is best known for the dense concentrations of DHA and EPA, as compared to fish oil supplements. DHA and EPA are the important parts of omega-3 fatty acids that have been shown to have health benefits.

The only real downside 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. And you’re making the more environmentally-friendly choice.

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 provides without the negative side effects of fish oil. The problem that most have with krill oil is that it’s not as heavily studied as fish oil. As a result, it hasn’t been a crowd favorite for very long.

But many of the studies used to promote fish oil can also be applied to krill oil. This is because they focus almost entirely on the DHA and/or EPA content rather than the entire product. Here are some of the benefits from DHA and EPA can offer.

Heart Health

Whether it’s from krill or fish, omega-3s have proven heart health benefits. Studies show that omega-3s can reduce blood lipid levels, which are to blame for heart disease and high cholesterol. It is also a great vasorelaxant, which makes it easier for blood to flow through your veins and arteries.

More research is ongoing, so don’t take omega-3s to replace heart medication. But omega-3s have been shown to be of great help to medications when taken concurrently.

Immune Health

Scientists have found a positive interaction between omega-3s and B-cells. B-cells are responsible for the creation of antibodies and cytokines. These are essential for a healthy immune system. Omega-3s can help prevent immune disorders and reduce their effects. Jump to our list of amazing Krill Oil Supplements

Omega-3s are great for simple things like preventing colds and the flu. They also help with more complex things like combating rheumatoid arthritis. They are especially beneficial for people who with immune disorders.

Joint Health

Improved joint health is another benefit of taking omega-3 supplements like krill oil. This is related to the improvements in heart and immune system health that omega-3s promote.

  • 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. This is especially true when combined with proper medication, diet, and exercise.

Metabolism

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. As such, many doctors will recommend taking them if you are prediabetic or obese. Speeding up your metabolism will help 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 they interacts with blood flow and glucose metabolism, omega-3s can also boost brain health. They have been shown to improve relations with emotions and focus. The best cognitive benefits of omega-3s are:

  • 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 due to a lack of DHA and EPA that many people experience higher levels of aggression and memory loss. This is one of the big reasons these supplements are recommended.

Krill Oil Dosage: How Much Should You Take?

Experts recommend that adults take 250-500 mg of omega-3s a day for general health. However, there are some things to keep in mind.

First, you need to consider what your diet looks like. If you already eat a lot of fish or seafood, you’re may already getting enough omega-3s. If you have very little-to-no seafood in your diet, then a supplement 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 to keep an eye out on is how your body reacts to the supplement. We always recommend building up to the recommended dose gradually. This gives you a chance to minimize any negative side effects that may occur.

Side Effects

As with other supplements, side effects are possible. The most common include:

  • Bad breath
  • Nausea
  • Diarrhea
  • Bloating

Sticking to the recommended dosage can lower the chance of side effects. If you notice recurring or worsening side effects, 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?

When looking for 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.

BEST KRILL OIL SUPPLEMENTS

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 our 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 krill oil supplement. In addition, all the companies represented on our list have stellar records with customer service and prompt shipping. This ensures that your supplement experience is enjoyable from the first click to your final dose.

References

  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 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 1000 mg of pure krill oil in every serving, which breaks down to 250 mg of phospholipids, 300 mg of omega-3 fatty acids, 120 mg of EPA, 80 mg of DPA, and 200 mcg of Astaxanthin. Nutricost's Krill Oil one of the most affordable supplements on the market in its category. 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
  • Mercury Free
  • Immune Support

Krill oil carries omega-3s 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 to make 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 it is a top-tier supplement. You can read more reviews over on Amazon, and take advantage of 2-day free shipping with Prime.

Keep Reading »

The Standout: High Quality For An Unbeatable Price

Nutricost's Krill Oil contains 1000 mg of pure krill oil in every serving, which breaks down to 250 mg of phospholipids, 300 mg of omega-3 fatty acids, 120 mg of EPA, 80 mg of DPA, and 200 mcg of Astaxanthin. Nutricost's Krill Oil one of the most affordable supplements on the market in its category. 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
  • Mercury Free
  • Immune Support

Krill oil carries omega-3s 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 to make 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 it is a top-tier supplement. You can read more reviews over on Amazon, and take advantage of 2-day free shipping with Prime.

Keep Reading »

#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
  • Promotes Healthy Joints
  • Supports Brain Function

Omega-3 fatty acids are necessary for healthy brain function, and the brain has a particularly high level of DHA. The omega-3s in krill oil are delivered in phospholipid form, which 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, minimize inflammation, and preserve the quality of krill oil.

Keep Reading »

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
  • Promotes Healthy Joints
  • Supports Brain Function

Omega-3 fatty acids are necessary for healthy brain function, and the brain has a particularly high level of DHA. The omega-3s in krill oil are delivered in phospholipid form, which 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, minimize inflammation, and preserve 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 health. 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 of phospholipids, 220 mg of omega-3 fatty acids, and 80 mcg of Astaxanthin.

  • 1 Gram Krill Oil Per Serving
  • 30 Servings Per Bottle
  • No Aftertaste
  • Supports Heart Health
  • Boosts Cognition

Krill oil is attached to phospholipids instead of triglycerides as in fish oil. This ultimately enhances 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.

Keep Reading »

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 health. 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 of phospholipids, 220 mg of omega-3 fatty acids, and 80 mcg of Astaxanthin.

  • 1 Gram Krill Oil Per Serving
  • 30 Servings Per Bottle
  • No Aftertaste
  • Supports Heart Health
  • Boosts Cognition

Krill oil is attached to phospholipids instead of triglycerides as in fish oil. This ultimately enhances 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.

Keep Reading »

#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 from trustworthy and sustainable sources. Keep Reading »
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 from trustworthy and 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. Keep Reading »
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. Keep Reading »

#6 - NOW Neptune Krill Oil

NOW Neptune Krill Oil offers a 60-day supply of high-quality krill oil. Each serving contains 1 gram of krill oil in an easy-to-swallow softgel capsule. NOW Neptune Krill Oil is a potent krill oil supplement worth your attention. Keep Reading »
NOW Neptune Krill Oil offers a 60-day supply of high-quality krill oil. Each serving contains 1 gram of 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 that delivers 350 mg of high-quality krill oil. It's an easy-to-swallow, single-capsule-per-serving supplement that utilizes an Antartic krill oil plus fish oil omega-3 complex. Keep Reading »
Doctor's Best Real Krill is a science-based, sustainably-harvested krill oil supplement high in omega-3s that delivers 350 mg of high-quality krill oil. It's an easy-to-swallow, single-capsule-per-serving 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 oil 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 »
Dr. Mercola has become a household name, and his krill oil is no exception. Each capsule contains 1 gram of the purest Antarctic krill oil 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 contains 1 gram of krill oil that yields 400mg of phospholipids, 240mg of omega-3 fatty acids, 130mg of EPA, 70mg of DHA, and 800 mcg of astaxanthin. Source Naturals NKO is an excellent krill oil supplement worth your consideration. Keep Reading »
Source Naturals NKO earned the number nine spot on our list. NKO contains 1 gram of krill oil that yields 400mg of phospholipids, 240mg of omega-3 fatty acids, 130mg of EPA, 70mg of DHA, and 800 mcg of 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 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 »
Jarrow Formulas Krill Oil rounds out our 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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