Best Cod Liver Oil: How to Choose the Best One?

Cod liver oil is a type of fish oil that is extracted from the liver of the Atlantic cod fish. It has been used as a dietary supplement for centuries and is beneficial for a variety of health conditions. In this blog post, we will discuss the nutritional composition, health benefits, and how to choose and use the best cod liver oil.

TOP 5 Cod Liver Oils

History Of Cod Liver Oil

Cod liver oil has been used for centuries as a source of vitamins and minerals. The Vikings used to consume cod liver oil to keep themselves healthy during the harsh winter months. In the 18th century, it was discovered that cod liver oil could cure rickets, a disease that affects bone development in children.


Importance Of Cod Liver Oil


It is especially important for people who do not get enough sunlight, as sunlight is a major source of vitamin D. It is also an excellent source of EPA and DHA, which are omega-3 fatty acids that are important for brain health. Here is a breakdown of the nutritional composition of cod liver oil:

  • Vitamin A: 4500–10,000 IU per teaspoon
  • Vitamin D: 450–1000 IU per teaspoon
  • Omega-3 fatty acids: 1,000–1,200 mg per teaspoon
  • Vitamin E: 0.5 mg per teaspoon
  • Vitamin K: 1 mcg per teaspoon

The recommended dosage of cod liver oil varies depending on the individual’s age, health status, and reason for taking it.


It is important to follow the manufacturer’s instructions and consult with a healthcare professional before taking any supplements.

Best Cod Liver Oil

Best Cod Liver Oil

When it comes to choosing the best cod liver oil, there are several factors to consider, such as quality, purity, and dosage. Here are some of the best cod liver oils on the market:

Nordic Naturals Arctic Cod Liver Oil

Nordic Naturals Arctic Cod Liver Oil, LemonNordic Naturals Arctic Cod Liver Oil is a premium-quality supplement that delivers essential nutrients required for optimal health. It is made from 100% wild Arctic cod, which is sustainably sourced and Friend of the Sea (FOS) certified. This ensures the highest standard of purity and sustainability, making it an ethical choice for health-conscious consumers.

Product Features:

  • Made from 100% wild Arctic cod
  • Sustainably sourced and Friend of the Sea (FOS) certified
  • High in omega-3 fatty acids, vitamin A, and vitamin D
  • Better absorption and better taste
  • No fishy burps
  • Purity and sustainability guaranteed
  • Lemon taste for a refreshing flavor
  • Easy to swallow soft gels
  • Suitable for adults and children
  • Gluten-free, dairy-free, and non-GMO

Carlson Labs Cod Liver Oil

Carlson - Cod Liver Oil, 1100 mg Omega-3sCarlson’s liquid fish oil supplement is a high-quality source of omega-3s, made with wild-caught Norwegian arctic cod liver oil that is sustainably sourced from Nordic fish. 

Product Features:

  • Available in lemon, fruit splash, or natural flavor.
  • IFOS and IGEN are non-GMO certified.
  • Tested by an FDA-registered laboratory for freshness, potency, and purity.
  • Supports heart, brain, and joint health.
  • Free of artificial preservatives.
  • Made with wild-caught Norwegian arctic cod liver oil.
  • Sustainably sourced Nordic fish oil liquid.
  • Easy to dose with a convenient dropper.
  • 1100 mg of omega-3s per serving.
  • 250 mL bottle size.

365 by Whole Foods Market

365 by Whole Foods Market, Cod Liver Oil Norwegian365 by Whole Foods Market Cod Liver Oil Norwegian 1000mg is a high-quality dietary supplement in soft gel form. This product contains 180 softgels, which is a 6-month supply based on the recommended dosage of 1 soft gel per day. The Cod Liver Oil is sourced from Norwegian waters, known for its pristine quality and sustainable fishing practices.

Product Features:

  • Sourced from pure Norwegian cold water cod for maximum quality and potency.
  • Does not contain artificial colors, flavors, or preservatives.
  • High in Vitamins A & D for overall health benefits.
  • Enriched with Omega-3s, EPA & DHA for a healthy heart.
  • 180 Softgels; making it easy to take as part of your daily routine.

Solgar Cod Liver Oil

Solgar Cod Liver Oil, 250 SoftgelsSolgar Cod Liver Oil is a pure and potent cod liver oil that is sourced from wild-caught Norwegian Arctic cod. It is also molecularly distilled to remove contaminants and tested for purity and potency. 

Product Features:

  • Gluten, wheat, and dairy-free.
  • Made from non-GMO cod liver oil.
  • Rich source of omega-3 fatty acids, vitamins A and D, and other essential nutrients.
  • Supports a healthy immune system.
  • Promotes healthy eyes and vision.
  • Supports bone health.
  • Available in easy-to-swallow soft gels.
  • Suitable for adults and children.
  • Free from artificial colors, flavors, and preservatives.
  • Third-party tested for quality and purity.

Blue Ice Fermented Cod Liver Oil

Green Pasture Fermented Cod Liver Oil LiquidBlue Ice Fermented Cod Liver Oil is a unique cod liver oil that is fermented rather than molecularly distilled. This process helps to preserve the nutrients in the oil and enhance its bioavailability. 

Product Features:

  • Premium-quality cod liver oil sourced from wild-caught Atlantic cod
  • The unique fermentation process preserves natural nutrients and enhances bioavailability
  • Rich in omega-3 fatty acids, vitamins A and D, and other beneficial nutrients
  • Available in liquid form for easy consumption and absorption
  • Produced by Green Pasture, a reputable and trusted brand in the natural health industry
  • Third-party tested for purity and potency to ensure quality and safety
  • May support heart health, immune function, brain function, joint health, skin health, and vision health
  • Suitable for individuals seeking a natural and whole food-based source of essential nutrients.

When choosing the best cod liver oil for you, it is important to consider your individual needs and preferences. Consult with your healthcare provider to determine the appropriate dosage and to ensure that cod liver oil is safe and beneficial for you.

Health Benefits

Cod liver oil is beneficial for a variety of health conditions. Here are some of the health benefits of cod liver oil:

Promotes Heart Health

Cod liver oil is rich in omega-3 fatty acids, which are beneficial for heart health. Omega-3 fatty acids can help reduce inflammation in the body, lower blood pressure, and reduce the risk of heart disease.

Boosts Immune System

Cod liver oil is also rich in vitamin A and vitamin D, which are important for maintaining a healthy immune system. Vitamin A helps regulate the immune system and prevent infections, while vitamin D helps the body absorb calcium and maintain strong bones.

Best Cod Liver Oil

Aids In Brain Function And Mental Health

Omega-3 fatty acids, particularly EPA and DHA, are important for brain health and may help improve cognitive function and mood. Studies have also shown that omega-3 fatty acids may help reduce the risk of depression and anxiety.

Helps Reduce Inflammation And Joint Pain

Omega-3 fatty acids have anti-inflammatory properties, which may help reduce joint pain and stiffness in people with arthritis. Cod liver oil has also been found to be beneficial for other inflammatory conditions such as psoriasis and eczema.

Best Cod Liver Oil

Improves Skin Health

The high levels of vitamin A and omega-3 fatty acids in cod liver oil make it beneficial for maintaining healthy skin. Vitamin A helps to promote healthy skin cells and regulate oil production, while omega-3 fatty acids can help reduce inflammation and improve skin hydration.

Reduces The Risk Of Chronic Diseases

The omega-3 fatty acids and vitamin D in cod liver oil may help reduce the risk of chronic diseases such as osteoporosis, type 2 diabetes, and certain types of cancer.

Omega-3 fatty acids have also been found to improve insulin sensitivity and reduce the risk of type 2 diabetes.

Helps In Maintaining Healthy Vision

Vitamin A is important for maintaining healthy vision and preventing eye diseases such as macular degeneration and cataracts. Cod liver oil is an excellent source of vitamin A and can help maintain healthy eyesight.

How To Choose And Use Cod Liver Oil

When choosing cod liver oil, there are several factors to consider:

QualityCarlson - Cod Liver Oil, 1100 mg Omega-3s

Look for a high-quality, pure cod liver oil that is free from contaminants such as heavy metals and PCBs.


Choose a reputable brand that has been tested by third-party organizations.


Cod liver oil is available in liquid and capsule form. Choose the form that is most convenient for you.


Follow the manufacturer’s instructions and consult with a healthcare professional before taking any supplements.

To incorporate cod liver oil into your diet, you can take it directly by mouth or mix it into food or drinks. It is important to start with a small dosage and gradually increase it to avoid any potential side effects.

Wrapping Up

Cod liver oil is a rich source of vitamins and minerals that are essential for maintaining good health. It has many health benefits, including promoting heart health, boosting the immune system, and improving brain function and mental health. However, it is important to be aware of its potential risks and side effects, such as high levels of vitamins A and D.

When choosing and using cod liver oil, it is important to consider factors such as quality, brand, form, and dosage. As always, it is recommended to consult with a healthcare professional before starting any new supplements.

4.6/5 - (5 votes)


Robert Carter
Robert Carter
Robert is a passionate sports fan and writer who covers the latest news and events in the world of sports. He has been a regular contributor to, where he shares his insights and analysis on the latest developments in the world of sports.

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