The Omega Challenge: Krill vs Fish Oil

By on September 1, 2014

These days, the benefits of adding omega-3 fatty acids to your daily supplement regimen absolutely can’t be denied. Not only have omega-3s been proven to help promote optimal coronary health, but they’ve been shown to improve brain function, lower blood pressure, and lower the risk of certain kinds of cancer as well.

However, choosing the right omega-3 fatty acid supplement for you is now no longer as simple as buying from the right manufacturer at a fair price. You need to decide whether tried-and-true fish oil or up-and-coming krill oil represents the better option. Let’s get to the bottom of this hot topic once and for all, the better to help you make the right choice for you.


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Close up of salmon steak with omega 3 capsule sitting on top of steak; calgary alberta canada --- Image by © Michael Interisano/Design Pics/Design Pics/Corbis

Although there are numerous studies out there that back up the claims of doctors and nutritionists that omega-3s improve one’s health, there are very few out there that definitively prove either type of oil is truly more effective than the other. Most of the studies that are out there have been financed by companies that have a vested interest in selling one type of oil over the other.

That said, most medical and health experts feel that the omega-3 fatty acids to be found in krill oil are just as beneficial from a health standpoint as those available in the standard fish oil supplements you’re used to. This is despite a lot of hype that claims krill oil is more potent.


Seafood and seafood oils are well-known for presenting a possible danger for contamination, so naturally people interested in adding more omega-3s to their diet want to know which option is the purest. Despite many manufacturers of krill oil claiming that it’s cleaner than fish oil, it’s important to understand that both krill and fish oils are subject to possible contamination.

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How clean a given option really is depends on what kind of decontamination process it’s been submitted to. Look for a certificate of analysis on the manufacturer’s web site. Don’t simply believe the hype that krill oil is inherently cleaner.It varies from product to product.


Although oil supplements can be a great way to add nutrition and additional health benefits to your life, some of your options are going to cost more money than others. Although there are a number of different types of omega-3 fatty acids out there, health experts generally agree that the most important to your health is DHA.

Both fish oil and krill oil contain high amounts of this must-have component. The type of DHA found in krill oil is often much more expensive to obtain than the kind found in fish oil. This can mean that the price of krill oil supplements can be a lot higher than some consumers would like. However, krill oil is generally thought to contain more different beneficial components than fish oil.

Other Factors

Although the jury is still out on which type of omega-3 oil is more bioavailable, there is some preclinical evidence to success krill oil is a better option from this standpoint. However, the specific types of oils found in fish oil suggest that it’s easier to digest and for the body to incorporate into its tissues. Ultimately which oil you should choose is up to you, as both come attached to substantial health benefits.


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The Omega Challenge: Krill vs Fish Oil