Top Cod Liver Oil Brands for Optimal Health

Cod liver oil has gained popularity as a nutritional supplement due to its high levels of omega-3 fatty acids and vitamins A and D. Among the plethora of brands available, some stand out for their quality and purity. Renowned for their sustainable sourcing and stringent testing methods, brands like Nordic Naturals, Carlson Labs, and Green Pasture have garnered consumer trust and satisfaction. To discover a comprehensive list of the best cod liver oil brands along with their unique benefits, read below.

Illustration of cod liver oil

Best brands of cod liver oil in 2025

Nordic Naturals

Nordic Naturals is renowned as one of the best producers of cod liver oil, committed to sourcing 100% wild Arctic cod (Skrei) sustainably from the Norwegian Sea. Their "Gold Standard" system ensures unparalleled freshness and purity, surpassing the strict European Pharmacopoeia Standard, with anisidine values (AV) between 1 and 2, significantly below the industry average. Since 1995, Nordic Naturals has perfected a three-step process involving direct relationships with independent fishermen, minimizing oxidation with nitrogen, and immediate processing at a harbor-adjacent facility. This process results in cod liver oil with the highest natural levels of vitamins A and D, and over 125 mg more DHA per serving than other CLO products. Nordic Naturals' products are tested to 10 parts per billion (ppb) for heavy metals and 0.2 parts per trillion (ppt) for dioxins and PCBs without detection. For more detailed information about their products, visit the Nordic Naturals FAQ page.

Carlson Labs

Carlson Labs is renowned as one of the best producers of cod liver oil, sourcing high-quality Arctic cod from pristine Norwegian waters using traditional, sustainable methods. Their cod liver oil is rich in omega-3s, including EPA and DHA, providing 1,100 mg per teaspoon, and also contains vitamins A and D3, supporting heart, brain, vision, and joint health. The oil is closely managed from sea to store, bottled with vitamin E, and nitrogen-flushed to prevent oxidation. Carlson Labs' products are tested by an FDA-registered laboratory for freshness, potency, and purity, and are available in various flavors and formats, including single-serving packets and soft gels. Their commitment to quality has earned them numerous awards for taste and quality. For more information, visit their cod liver oil page.

Garden of Life

Garden of Life is renowned for its high-quality cod liver oil, particularly the Olde World Icelandic Cod Liver Oil, sourced from the pristine cold waters of Iceland and processed using traditional methods to retain its naturally occurring vitamins and essential fatty acids. Each teaspoon serving provides 1.4g of Omega-3 fatty acids, 4,500 IU of Vitamin A, and 450 IU of Vitamin D, supporting cardiovascular health, normal calcium metabolism, and bone development. This product is rich in EPA (447mg) and DHA (400mg) per serving, making it one of nature's richest sources of these vital nutrients. Garden of Life ensures the oil is free from contaminants and maintains its potency, reflecting the brand's commitment to quality and sustainability. With its delicious lemon mint flavor, this supplement is an excellent choice for those seeking a natural and effective way to boost their health.

Now Foods

Now Foods is a renowned brand in the cod liver oil market, celebrated for its high-quality products rich in omega-3 fatty acids, vitamins A and D, and antioxidants. Their cod liver oil supplements are often preferred for their purity and nutritional profile, with many products containing approximately 350 mg of EPA and 350 mg of DHA per serving. The brand's commitment to sustainable sourcing and advanced purification technologies has contributed to its strong market presence. In the global cod liver oil market, which is expected to grow at a CAGR of around 6-9% from 2024 to 2030, brands like Now Foods are driving growth through innovative product formulations and expanding distribution channels. With a significant share in the North American market, which accounts for around 47.2% of the global market, Now Foods continues to be a leading choice for consumers seeking natural health supplements.

Nature's Answer

Nature's Answer is a renowned brand for producing high-quality cod liver oil, harvested from the deep, clean, cold waters of the North Atlantic. Since 1972, the company has been dedicated to providing health-conscious customers with the finest supplements. Their Liquid Norwegian Cod Liver Oil is molecularly distilled, nitrogen flushed, and micro-filtered to ensure purity, offering 4,450 mg of cod liver oil per 1 teaspoon serving, along with essential omega-3 fatty acids (EPA and DHA), and vitamins A, D3, and E. This supplement supports healthy cardiovascular and cognitive function, helping to maintain cholesterol and blood pressure levels already within the normal range. It is also non-GMO, gluten-free, and free from artificial preservatives and flavors.

Solaray

Solgar, a renowned brand in the health supplement industry, is highly regarded for its high-quality cod liver oil products. These supplements are rich in vitamins A and D, as well as omega-3 fatty acids such as EPA and DHA, which are crucial for immune system function, eye health, and bone health. For instance, Solgar's Cod Liver Oil Complex contains 906 mcg of vitamin A and 25 mcg of vitamin D-3 per softgel, exceeding the recommended daily allowance significantly. The oil is molecularly distilled to remove contaminants, ensuring purity and effectiveness. With a strong market presence, Solgar continues to be a trusted choice for those seeking the nutritional benefits of cod liver oil. For more details, you can explore their products on the Aroma-Zen website.

Green Pasture

Green Pasture is renowned for its high-quality Fermented Cod Liver Oil, produced using traditional no-heat methods that maximize nutrient bioavailability and reduce contaminants. Their process involves fermenting whole cod livers, which contain carbohydrates that facilitate the fermentation, resulting in a product rich in vitamins A and D, omega fatty acids, and antioxidants. The oil is derived from wild-caught Alaska Cod certified by the Marine Stewardship Council, ensuring sustainability and purity. The fermentation technique helps preserve the nutritional content, and the product has been found to have significant levels of EPA and DHA, with approximately 315 mg/tsp of DHA and 685 mg/tsp of EPA. Despite some controversies, Green Pasture's commitment to traditional methods and quality control makes it a trusted brand in the industry. Learn more about their Fermented Cod Liver Oil.

Dr. Martin's Nutrition

Dr. Martin's Nutrition is a reputable brand known for producing high-quality cod liver oil, extracted from Nordic cod, which is rich in omega-3 fatty acids, vitamin A, and vitamin D. This cod liver oil supports heart health, enhances immune function, and promotes strong muscles and bones. Each softgel provides 90 mg of omega-3 fatty acids, including 37 mg of EPA and 36 mg of DHA, along with 25% of the Daily Value (DV) for vitamin D and 34% of the DV for vitamin A. The product is frequently tested for purity and safety by highly reputable third-party laboratories. It is suitable for men, women, and children, and is formulated in an FDA & GMP registered facility.

Mason Natural

Mason Natural is a renowned brand in the cod liver oil market, known for its high-quality nutritional supplements. The global cod liver oil market, which includes brands like Mason Natural, was valued at USD 94.12 billion in 2023 and is expected to grow at a CAGR of 6.4% from 2024 to 2030. Cod liver oil, rich in vitamins A and D, and omega-3 fatty acids, is increasingly used in dietary supplements, pharmaceuticals, and food and beverages. North America, where Mason Natural operates, dominates the market with a 47.2% share in 2023. The rising demand for natural supplements and functional foods drives the growth of this market.

Barlean's

Barlean's is renowned as one of the best producers of cod liver oil, offering a range of innovative and high-quality products. Their cod liver oil is rich in omega-3 fatty acids, vitamins A and D, and antioxidants, making it a popular choice for supporting heart health, joint function, and immunity. Barlean's products, such as their Fresh Catch liquid and softgels, are crafted for exceptional quality and potency. The brand's emphasis on product innovation, quality assurance, and sustainable sourcing practices has earned consumer trust. With a growing market expected to reach nearly USD 145.30 billion by 2030, Barlean's continues to be a significant player in the cod liver oil market.