Top Fish Oil Supplement Brands for Optimal Health Benefits

Fish oil supplements have become increasingly popular due to their numerous health benefits, notably supporting heart health and reducing inflammation. With a multitude of options available on the market, choosing the right brand can be overwhelming. Factors such as purity, omega-3 content, and sustainability practices are crucial in determining the best options. To help you make an informed decision, we've compiled a list of the top brands that excel in these aspects below.

Illustration of fish oil supplements

Best brands of fish oil supplements in 2025

Nordic Naturals

Nordic Naturals is a leading brand in the fish oil supplement market, known for its high-quality products rich in omega-3 fatty acids, particularly EPA and DHA. The company, founded on fish oil omega-3s, has expanded to include plant-based options like Algae Omega to cater to vegan and vegetarian consumers. Nordic Naturals' products are top sellers, with their algae oil ranked as the number-one algae oil in the U.S. according to sources like ClearCut, Nielsen, and SPINS annual data. The brand is committed to sustainable sourcing and rigorous testing for potency and purity. By 2032, the fish oil omega-3 market, in which Nordic Naturals is a key player, is estimated to reach $1.8 billion, growing at a CAGR of 5.1% from 2023 to 2032.

Carlson Labs

Carlson Labs is a renowned producer of high-quality fish oil supplements, offering a range of products that promote cardiovascular, cognitive, vision, joint, and immune health. Their supplements provide 700 mg of omega-3s, including EPA, DHA, and DPA, in a single soft gel, ensuring maximum freshness and purity through FDA-registered laboratory testing. With a commitment to sustainability, Carlson Labs sources its fish oil from wild-caught fish. The company is part of a growing global fish oil omega-3 market projected to reach $1.8 billion by 2032, with a CAGR of 5.1% from 2023.

Barlean's

Barlean's is a leading brand in the fish oil supplement market, renowned for its high-potency and deliciously flavored products. Their Seriously Delicious Omega-3 High Potency Fish Oil offers 1,500mg of EPA/DHA per serving, with 3X better absorption due to its emulsified form. The company sources its fish oil from sustainably caught anchovy, mackerel, and sardines off the coast of South America. Barlean's products are pharmaceutical-grade, ultra-purified, and free of mercury and other heavy metals, ensuring maximum nutritional value. With over 25 years in the wellness industry, Barlean's has earned numerous awards and is recognized as a top health food store brand.

Nature Made

Nature Made is a renowned brand in the fish oil supplement market, offering high-quality omega-3 supplements that provide essential fatty acids like EPA and DHA. Their products are available in both triglyceride (TG) and ethyl ester (EE) forms, with the EE form providing a more concentrated level of EPA and DHA, allowing for fewer or smaller capsules. Nature Made's supplements are designed to support heart, brain, and eye health, and they are a popular choice due to their purity and effectiveness. The brand's fish oil supplements are part of a broader trend where consumers are increasingly seeking healthier dietary habits, driving market growth. For instance, the global fish oil market, which includes such supplements, is expected to grow significantly, with the Asia-Pacific region leading the market due to its extensive aquaculture practices.

Viva Naturals

Viva Naturals is a reputable brand in the fish oil supplement market, known for its high-quality and sustainably sourced products. Their Triple Strength Omega-3 Fish Oil contains 1500 mg of EPA and 568 mg of DHA per serving, supporting heart, brain, and eye health. Manufactured in GMP-certified facilities, these supplements are third-party certified for purity and potency, ensuring non-GMO, gluten-free, and dairy-free formulations. The product is made from purified oil from wild and sustainably caught fish, aligning with the growing demand for sustainable aquaculture practices. With a strong market presence, Viva Naturals ranks among the top fish oil supplements available.

Sports Research

Sports Research is renowned as one of the best producers of fish oil supplements, offering a Triple Strength Omega-3 product that contains 1250 mg of fish oil and 1055 mg of total Omega-3 fatty acids per softgel, with 690 mg of EPA and 310 mg of DHA. This ultra-concentrated formula exceeds standard fish oil softgels, which typically contain only 10-30% Omega-3 content. The product is sourced from wild-caught Alaska Pollock, is IFOS 5-Star Certified, and is made with non-GMO ingredients, ensuring high quality and sustainability. It is also gluten-free, cGMP compliant, and third-party tested. Introduced in 2022, this product has quickly gained popularity for its effectiveness in supporting heart, brain, and joint health.

Garden of Life

Garden of Life is a renowned brand for high-quality fish oil supplements, offering ultra-premium formulas like Minami Platinum Omega 3 Fish Oil, which delivers 1,100mg of omega-3 nutrition and 250% of the Daily Value of vitamin D in one softgel. Their supplements, such as Oceans 3 Better Brain Omega-3 with OmegaXanthin, combine EPA and DHA from ultra-pure fish oil with clinically studied botanicals to support brain health. These supplements are sustainably sourced and undergo rigorous quality checks to ensure purity and potency. Garden of Life's fish oil supplements support brain and heart health, healthy inflammation, and overall wellness, making them a top choice for those seeking essential fatty acids. With a focus on purity, potency, and sustainability, Garden of Life's products are certified by third-party organizations to ensure they meet high standards. For more information on their omega-3 products, visit their fish oil supplements page.

Omegavia

OmegaVia stands out as a premier producer of fish oil supplements, offering ultra-concentrated Omega-3 formulations with 1105 mg of Omega-3 per softgel, including 780 mg of EPA and 260 mg of DHA. Their fish oil is sourced from sustainably managed fisheries in Peru and the US, ensuring environmental sustainability. The oil undergoes rigorous purification processes, including flash molecular distillation and CO2 chromatography, to remove impurities and contaminants. OmegaVia products are enteric-coated to reduce odor and aftertaste and are certified by IFOS with a 5-star rating for purity and potency. This high-grade fish oil allows consumers to achieve the recommended daily dose of Omega-3s with fewer pills. For more details, you can visit their OmegaVia Fish Oil product page.

NOW Foods

NOW Foods is a renowned brand in the U.S. omega-3 supplements market, known for its high-quality fish oil supplements. As of 2023, the fish oil segment, which includes products from NOW Foods, accounted for a revenue share of 63.20% in the U.S. omega-3 supplements market. NOW Foods is part of a market expected to grow at a CAGR of 8.6% from 2024 to 2030, reaching USD 3,589 million by 2030. The brand's products are favored for their purity, efficacy, and compliance with strict international standards. NOW Foods, along with other key players like Nordic Naturals and NutriGold, contributes significantly to the market's growth.

Kirkland Signature

Kirkland Signature is renowned as one of the best producers of fish oil supplements, offering high-quality products that meet stringent standards. Their fish oil supplements provide 700 mg of EPA and DHA per capsule, covering about 70% of the daily target intake recommended by health authorities. The supplements are made from refined fish oil, free from impurities like mercury, PCB, and dioxins, ensuring optimal absorption and minimal fishy smell. Kirkland Signature fish oil is USP verified and sustainably sourced, making it a trusted choice for consumers. With advanced technology capsules, these supplements support heart health and overall well-being. For more information, you can explore their Kirkland Signature fish oil supplements.