Best Cod Liver Oil Supplements of 2025: Top Picks for Joint, Heart, and Immune Health

Cod liver oil has been a staple of natural health for centuries, prized for its rich content of omega-3 fatty acids and vitamins A and D. These nutrients play a vital role in supporting a wide range of bodily functions, from maintaining heart health to boosting immunity and improving skin health. With so many cod liver oil supplements available on the market, it can be challenging to choose the best one for your needs.

In this comprehensive guide, we’ll explore the best cod liver oil supplements of 2025, reviewing the top-rated options based on quality, potency, and customer feedback. Whether you’re looking to support your joints, heart, or immune system, this article will help you find the perfect cod liver oil supplement to boost your health.

Why Choose Cod Liver Oil Supplements?

Cod liver oil is derived from the liver of codfish and contains a wealth of essential nutrients that are often lacking in the modern diet. The primary benefits of cod liver oil supplements come from its rich content of:

• Omega-3 fatty acids (EPA and DHA): These healthy fats are known for their anti-inflammatory properties, supporting heart health, brain function, and joint mobility.
• Vitamin A: An essential nutrient for maintaining healthy skin, vision, and immune function.
• Vitamin D: Important for bone health, immune support, and overall well-being. It also helps the body absorb calcium effectively.

These nutrients are not only difficult to obtain in sufficient amounts through diet alone but are also more readily absorbed from supplements, making cod liver oil an effective way to ensure you get the essential fatty acids and vitamins you need.

Top Cod Liver Oil Supplements of 2025

Here’s a breakdown of the best cod liver oil supplements available in 2025, ranked by their effectiveness, nutrient quality, and customer satisfaction:

1. Nordic Naturals Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Nordic Naturals is renowned for producing high-quality fish oil. Their Cod Liver Oil supplement is sustainably sourced and is one of the most trusted brands in the industry. With a balanced ratio of omega-3 fatty acids, this supplement supports heart, joint, and brain health.
• What Users Say: “I’ve been using Nordic Naturals for years, and I’ve noticed significant improvements in my joint health and overall energy.”
• It’s Worth Noting: Available in both liquid and softgel forms, making it versatile and convenient for different preferences.

2. Carlson Labs Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Carlson Labs is known for its premium quality fish oils, and their Cod Liver Oil is no exception. The oil is tested for purity and freshness, ensuring that you get the best possible product. It’s available in a pleasant lemon-flavored liquid, making it an excellent choice for those who don’t like the aftertaste of traditional cod liver oil.
• What Users Say: “The lemon flavor is amazing, and I feel much better in terms of joint flexibility and overall mood.”
• It’s Worth Noting: Carlson Labs offers third-party testing, ensuring that each bottle is free from harmful contaminants.

3. Nature’s Way Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Nature’s Way offers a high-potency, affordable cod liver oil supplement. It’s available in easy-to-swallow softgels, making it perfect for those looking for a hassle-free supplement.
• What Users Say: “This cod liver oil is both effective and budget-friendly. I feel more energetic and my skin looks clearer.”
• It’s Worth Noting: Nature’s Way is known for producing reliable and cost-effective supplements, though the flavor may not be as appealing as liquid forms.

4. Rosita Extra Virgin Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Rosita offers an extra virgin cod liver oil that’s cold-pressed, unrefined, and rich in natural vitamins A and D. This product is sourced from wild-caught cod, ensuring superior quality and bioavailability.
• What Users Say: “The extra virgin method makes this oil feel incredibly pure. It has a fresh, light taste and is rich in nutrients.”
• It’s Worth Noting: The cold-press method preserves the natural nutrients, making it ideal for those looking for a clean, unprocessed product.

5. Omegavia Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Omegavia’s cod liver oil offers high-concentration omega-3s, making it ideal for people who need to support heart health, reduce inflammation, or improve cognitive function. This supplement is one of the most concentrated fish oils available, ensuring you get the most out of each dose.
• What Users Say: “I’ve felt a noticeable difference in my overall health. The softgels are easy to swallow, and I love the potent formula.”
• It’s Worth Noting: Omegavia offers a high-concentration formula, making it a great choice for individuals looking for therapeutic doses of omega-3s.

6. Green Pastures Fermented Cod Liver Oil

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Green Pastures’ fermented cod liver oil is produced using traditional fermentation methods, ensuring the oil retains the highest levels of bioactive nutrients. This process enhances the bioavailability of the omega-3s and fat-soluble vitamins.
• What Users Say: “The fermentation process makes this oil incredibly potent. It’s the most effective cod liver oil I’ve tried.”
• It’s Worth Noting: The fermentation process makes this oil different from most conventional cod liver oils, and it’s ideal for those seeking a natural, unrefined source.

7. Minami Nutrition MorEPA Plus

• Key Ingredients: Omega-3 EPA, DHA, Vitamin A, Vitamin D
• Why We Recommend It: Minami Nutrition offers a high-potency cod liver oil with concentrated omega-3s for maximum benefits. Their MorEPA Plus formula has been purified to ensure a clean, high-quality product.
• What Users Say: “The concentrated formula means I’m getting high-quality omega-3s without the need to take multiple softgels.”
• It’s Worth Noting: Minami Nutrition’s focus on purity and high potency makes it a go-to for those seeking the most concentrated cod liver oil available.

How to Choose the Best Cod Liver Oil Supplement

When selecting a cod liver oil supplement, consider the following factors:

1. Form of Supplement

Cod liver oil is available in both liquid and softgel forms. Liquid options are great for those who prefer a higher dose in one serving, while softgels are more convenient for those on the go.

2. Potency

Look for products with a high concentration of EPA and DHA if you’re looking to address specific health concerns, such as heart disease or joint inflammation. Higher potency formulas will typically require fewer softgels per day.

3. Purity and Sourcing

Make sure the cod liver oil is sourced from wild-caught fish, preferably from sustainable fisheries. Additionally, choose products that are third-party tested to ensure they are free from contaminants like mercury or PCBs.

4. Added Ingredients

Some cod liver oils come with added vitamins or antioxidants like Vitamin E to help protect the oil from oxidation. This can increase the product’s shelf life and improve overall health benefits.

Possible Side Effects of Cod Liver Oil

While cod liver oil is generally safe, overuse or improper use can lead to side effects, including:

• Fishy aftertaste: Common with many fish oil products, although many brands have added flavors to counteract this.
• Upset stomach: Taking cod liver oil with food can reduce the risk of digestive discomfort.
• Vitamin A Toxicity: Cod liver oil contains high levels of Vitamin A, so excessive consumption can lead to toxicity. Stick to the recommended daily dose.

Overdose Effects

Excessive consumption of cod liver oil can lead to:

• Vitamin A toxicity: Symptoms may include nausea, dizziness, and headache.
• Excessive bleeding: High doses of omega-3s can thin the blood, which may increase the risk of bleeding, particularly for those on blood-thinning medication.

Frequently Asked Questions (FAQs)

1. How long does it take to see results from cod liver oil supplements?

• Results vary, but many people notice improvements in skin health, joint flexibility, and heart health within 4–6 weeks of regular use.

2. Can I take cod liver oil with other supplements?

• Yes, but avoid taking high doses of Vitamin A from other sources while using cod liver oil, as it may lead to toxicity.

3. Can cod liver oil improve my skin?

• Yes, the omega-3 fatty acids in cod liver oil help promote skin hydration, reduce inflammation, and may alleviate conditions like acne or eczema.

4. Is cod liver oil safe for children?

• Cod liver oil is safe for children, but the dosage should be adjusted based on their age. Always consult with a pediatrician before starting supplementation.

Conclusion

Cod liver oil is an excellent supplement for supporting overall health, from heart and joint health to skin and immune function. Whether you choose Nordic Naturals Cod Liver Oil for its high-quality formulation or Carlson Labs Cod Liver Oil for its great taste, there is a product that can meet your needs. Make sure to select a high-quality, pure product and follow the recommended dosage to enjoy the full benefits of this powerful supplement.