Is Krill Oil Better Than Fish Oil: Is Fish Oil The Same As Krill Oil?

is fish oil better than krill oil

Is Krill Oil Better Than Fish Oil: Is Fish Oil The Same As Krill Oil?

You might be familiar with fish oil, but have you heard about Krill Oil?

You’d be surprised to know that the growth rate of Krill Oil is expected to grow as much as 11.6% by 2027.  This means that more and more people will use it over fish oil and the revenue will cross more than 500 billion in the next five years. As fish oil has high demand nowadays and is used by the majority of oil users. Krill Oil can compete in the oil market too.

Is fish oil the same as Krill Oil?

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Fish oil is obtained from fatty fish like mackerel, salmon and anchovies, which is the most used dietary supplement globally. It has two different types of omega 3 fatty acids; EPA and DHA. Both of these omegas 3 fatty acid improve heart and brain health, among other health benefits.

In the lights of recent events, Krill Oil is launched that has more health benefits than fish oil. Apart from presence of APA and DHA, it is more readily absorbed and has more benefits than fish oil.

The following article explains the difference between the Krill Oil and fish oil, and discuss the evidence from research to acknowledge which is better for your health.

What Makes Krill Oil and fish oil Unique?

If we talk about the biological composition of both the fish and the Krill Oil, then both contain omega 3 fatty acids in their chemical composition. The two important derivatives, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are the main elements present in both oils.

The point to note here is what makes these oils unique and different from each other? The difference comes in their structural composition and color. Fish oil produces yellowish color while Krill Oil is of a reddish color. Moreover, Krill Oil has high absorption rate than fish oil.

Now, you have some idea about the unique feature of krill and fish oil. So, let’s jump to the next part and discuss the uses of Krill Oil in detail.

Uses of Krill Oil

is fish oil the same as krill oil

1. Provides Health Benefits

Both the oils play a vital role in maintaining the health of a living organism. Krill Oil, just like fish oil, reduces the risks of heart attacks and provides support to the cardiac cells.

For patients with coronary heart diseases, Krill Oil proves a good healing agent. It not only cures the disease but also removes the blockage of the coronary arteries.

Thus, Krill Oil is very useful in heart-related problems and provides an effective solution.

2. Source of Fats

Krill Oil is an excellent source of healthy fats. As it contains omega 3 fatty acids in the form of phospholipid molecules. Thus, it highly increases the rate of absorption.

Even some studies have shown that Krill Oil is more effective in increasing omega 3 levels in the body than fish oil.

3. Reduce Inflammation

If you often become a victim of arthritis, joint pains, then Krill Oil is a perfect fit for your body. It reduces joint pain and improves the metabolic system by removing inflammations.

Various types of disorders including osteoarthritis, rheumatoid arthritis, stiffness of the joints, and such related diseases are easily cured by Krill Oil.

4. Control PMS Symptoms

For women, the intake of Krill Oil is also very crucial from the point that it reduces menstrual pain. Krill Oil helps decrease the pain level produced during periods and reduces premenstrual syndrome.

Most females use medications to reduce their back pain or abdomen pain during menstruation. But, intake of Krill Oil is also very effective in this case. Even it is more useful than the highly efficient omega 3 fatty acids.

Krill Oil has its own benefits and plus points that make it a better supplement

Besides its various advantages, Krill Oil has its side effects as well. So, proper dosage is very important. So, let’s have a look at the daily intake of Krill Oil.

Intake of Krill Oil

is fish oil the same as krill oil

The Following are the important points you should keep in mind when taking Krill Oil.

1. Use a small amount

Undoubtedly, Krill Oil is the number one method to get omega 3 fatty acids because it is enriched with phospholipid molecules. However, doctors recommend taking a small amount of it in order to maintain the metabolic system.

Krill Oil contains a high percentage (14%) of EPA and DHA omega 3 fatty acids. This means that it has a higher absorption rate than fish oil. So, a small amount will give large results and provide higher benefits.

Keeping this in mind, you should limit your daily intake of Krill Oil because overdosage can lead to serious side effects.

2. Follow the Recommendations

It’s very important to follow the recommended intake. Consult your doctor, limit your daily dosage and use Krill Oil accordingly per day. In this way, you and your body will be protected from harmful side effects.

Below are some ideal dosage limits recommended for Krill Oil users;

  1. 1- For those who have a small body type, a dosage of 800mg will work perfectly for the first few days or weeks. Start with 800mg and gradually switch it to 1200mg per day. This will be the ideal intake of Krill Oil that will maintain the body’s metabolic functions.
  • 2- For users of average body size, starting with 1200mg of Krill Oil per day is not a bad idea. You can increase it gradually but this dosage will work perfectly for your body maintenance.
  • 3- Finally, for the people of the third category, the large-sized people, 1800mg per day is the ideal dosage limit. You can change it after a few days or weeks depending upon your body’s maintenance and functioning.

So, these were the few ideal intake limits for Krill Oil users of different categories. These quantities vary according to the body size and type, so you can change the amount according to yours.

But, do not take more than 2000mg of Krill Oil per day. Doing so can lead to serious metabolic and physiological body problems.

Human body absorbs Krill Oil better than Fish Oil

krill oil fish oil

Even though the fish oil and Krill Oil are both nourished with EPA and DHA, many research studies claim that the fatty acid present in the Krill Oil are more readily absorbed and utilized than the fish oil.

The composition of the fatty acids found in the fish oil is triglyceride. Meanwhile most of the fatty acid found in the Krill Oil is in phospholipid form, which experts and researchers claim to increase more absorption and benefit.

In a study, participants were anonymously given either fish oil or Krill Oil and the level of their fatty acids were closely monitored for the next few days.

After 3 days, the blood level of EPA and DHA concentration was higher in the study members who were given Krill Oil. The results prove that Krill Oil is more easily absorbed than fish oil.

Meanwhile in another study, participants in the study were either given fish oil or two-third of same amount of Krill Oil.

Usage of both oils increased the blood levels of EPA and DHA concentration, even though the amount of Krill Oil ingested was one-third lower than the fish oil. The result clearly shows that the fish oil is less readily absorbed than Krill Oil.

Still, many experts still think that these literature researches and claims need more evidence to back their claim if Krill Oil is absorbed and has any health significance than fish oil.

Krill Oil Contains More Antioxidants

Oxidative stress is caused by an imbalance in the radicals, which can be eliminated with the help of antioxidants. Without the antioxidants, the radicals push the body to oxidative stress and cause molecular damage within cells. Now, Krill Oil contains antioxidants, like astaxanthin, which is not found in fish oil.

People claim that astaxanthin present in Krill Oil protects it from oxidation and increases it shelf life, by not letting it spoil. However, not enough evidence Is presented to back this claim,
Although, some researches claim that astaxanthin’s anti-inflammatory and antioxidant characteristics benefits in maintaining a healthy heart.

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For instance, a study showed that the administration of isolated astaxanthin can lower triglycerides and can also increase the count of “good” HDL level in people who have mildly elevated blood lipid level.

However, these astaxanthin dose is larger than absorbed from Krill Oil supplements. Nonetheless, it is still unclear if these small amount of astaxanthin has similar health benefits.

Krill Oil Health Benefits

fish oil and krill oil

-Krill Oil May Improve Heart Health More Than Fish Oil

Universally, it is a known that fish oil has more health benefits, but many case studies show that Krill Oil benefits the heart health far greater than the fish oil.

Research was conducted and participants with high blood cholesterol were randomly given placebo, fish oil and Krill Oil for 3 months. Their intake varied as per their body mass.
It was found that the participants of the case study using fish oil and Krill Oil has improved their heart conditions and risk factors, and to further narrow down, it was noted that the participants ingesting the Krill Oil has far better improvement in their heart condition; like lowering blood sugar level, triglycerides and “bad” LDL cholesterol, than the participants using fish oil.

This claims that Krill Oil is better than fish oil when thinking of a healthy heart. In addition, it is more interesting that in this study the dosage of Krill Oil was lower than fish oil, yet Krill Oil yielded more clinical benefits than fish oil.

  • Fish Oil Is Cheaper and More Accessible

In terms of more easily accessible and cheaper price, fish oil is better than Krill Oil. In addition to numerous health benefits, Krill Oil is ten times of expensive than fish oil, making it more accessible to people than Krill Oil.

Krill Oil at times may also be inaccessible, depending on where you live and shop. You might get a hard time looking for Krill Oil, and even on finding it, you’ll get less selection variety than fish oil.

Should You Take Krill Oil or Fish Oil?


In terms of nutrition, both Krill oil and fish oil are a good source for omega 3 fatty acids, with quality researches to prove their health benefits.

Few researches claim that Krill Oil improves heart health and risk factor better than fish oil. However, the research on this is very limited and needs hard evidence to back this claim.  Because of ten times difference in price and limited research claiming the heart benefits, it is imperative to acknowledge that fish oil is more economical than Krill Oil, including numerous health benefits.

However, if you still want to pushover your budget and buy Krill Oil, its health benefits suggesting that Krill Oil is more easily absorbed and nourishing than fish oil is backed by limited research.

Also, Krill Oil and fish oil impair the blood clotting function, hence it is contraindicated when taking blood thinners. If you have ingested such oil while taking blood thinners, it is best to consult your physician. Also contact your healthcare provider if you have any history of shellfish or fish allergy.

krill oil


 In the end, both Krill and fish oil are best for their own needs and uses. But, it’s up to you to choose the one that best matches your body’s functions and metabolism.

Best of all, use these oils as a supportive element in your diet as they can highly reduce heart risks, and overall body health.

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