The best fish oil supplement depends on factors like omega-3 concentration, purity, sustainability, and individual needs. Based on expert reviews and dietitian recommendations from 2025, here are top choices:
Best Overall Fish Oil Supplement
- Nordic Naturals Ultimate Omega is widely regarded as the best overall fish oil supplement. It provides a high dose of omega-3s (1280 mg total omega-3s, including 650 mg EPA and 450 mg DHA per serving), is third-party tested for purity, sustainably sourced, and has a lemon flavor to reduce aftertaste. It is highly recommended by registered dietitians for its quality and transparency
Other Notable Fish Oil Supplements
- Garden of Life Minami Omega-3 Fish Oil : Best for sustainability.
- MegaFood Omega 3-6-9 : Best vegan option.
- Nature Made Burp-Less Fish Oil : Most budget-friendly.
- Now Foods Ultra Omega-3 Fish Oil : Best small serving size.
- Carlson Maximum Omega 2000 : Most cost-effective.
- Thorne Omega Superb : High concentration and purity.
- WeightWorld Omega-3 2000mg fish oil : Best omega-3 softgels for value and high EPA/DHA content, sustainably sourced from wild anchovies
Types of Fish Oil Supplements
- Standard Fish Oil Capsules : Extracted from fatty fish like salmon, mackerel, and tuna, rich in EPA and DHA.
- High EPA/DHA Concentrates : For those needing higher doses, such as people with inflammation or cognitive concerns.
- Krill Oil : Contains omega-3s bound to phospholipids and natural antioxidants like astaxanthin, which may improve absorption and stability.
- Cod Liver Oil : Contains EPA, DHA, and vitamins A and D, but caution is advised due to vitamin content
What to Look For
- High EPA and DHA content per serving.
- Third-party testing for contaminants.
- Sustainable sourcing.
- Formulation that reduces fishy aftertaste.
- Suitable form (capsule, softgel, liquid, or gummy) based on preference.
In summary, Nordic Naturals Ultimate Omega is the top recommended fish oil supplement overall for quality, dosage, and transparency. Other good options depend on budget, dietary preferences, and specific needs
