Krill oil is another way to get the omega-3 fatty acids EPA and DHA that people commonly use for heart health, joint comfort, and general brain support. Like Fish Oil, it is usually sold as a daily softgel, but the sales pitch is different: krill oil products often emphasize phospholipids, Antarctic sourcing, and easier absorption rather than simply advertising a large fish-oil dose.
That marketing can make krill oil harder to shop than it first appears. The front of the bottle may say 500 mg, 1000 mg, or 1200 mg of krill oil, but the amount that matters for cost comparison is the EPA+DHA inside that serving. On many labels, the usable EPA+DHA amount is much lower than the headline krill-oil number, so two products that look similar at a glance can deliver very different monthly value. The rankings below use 1000 mg/day of EPA+DHA so products can be compared on the same monthly-cost basis.
Prices as of June 3, 2026. Prices update daily; this page updates monthly. For current prices and full interactive filters, see the Omega-3: Krill Oil compare page.
| Rank | Brand | Product | Form | Cost per month | Price |
|---|---|---|---|---|---|
| 1 | MegaRed | MegaRed Omega-3 Fish Oil + High Absorption Krill Oil 500mg… | Softgels | $31.82 | $26.64 |
| 2 | Kori Krill | Kori Krill Oil Omega 3 Supplement, Antarctic Krill Oil with… | Softgels | $59.96 | $14.99 |
| 3 | KIRKLAND | Kirkland Signature Krill Oil 500 Milligram 160 Softgels | Softgels | $60.40 | $28.99 |
| 4 | Source Naturals | Source Naturals NKO Neptune Krill Oil, Supports Heart Healt… | Softgels | $73.52 | $42.35 |
| 5 | NOW Foods | NOW Supplements, Krill Oil 500 mg, Phospholipid-Bound Omega… | Softgels | $79.46 | $30.99 |
| 6 | Nutricost | Nutricost Krill Oil 1000mg, 60 Softgels - Omega-3 EPA-DHA K… | Softgels | $125.43 | $21.95 |
| 7 | Dr. Mercola | Dr. Mercola Antarctic Krill Oil - 1,000 mg - Omega-3 Supple… | Capsules | $182.80 | $31.99 |
| 8 | Nature's Bounty | Nature's Bounty Krill Oil, Heart Health, Dietary Supplement… | Softgels | $280.46 | $18.23 |
| 9 | Earth Fed Muscle | Earth Fed Muscle Arctic Advantage Krill Oil 500mg softgels,… | Softgels | $299.90 | $29.99 |
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Check EPA+DHA first, not the krill-oil headline. The most common krill-oil shopping mistake is assuming the large number on the front label is the omega-3 dose. It usually is not. A bottle can advertise 1000 mg of krill oil per serving while providing far less EPA+DHA than that, so the real comparison point is the line that lists EPA, DHA, or total EPA + DHA in the Supplement Facts panel.
Phospholipids and astaxanthin can be useful, but they do not replace omega-3 content. Many krill oil labels also call out phospholipids, choline, or astaxanthin. Those extras are part of why krill oil is positioned as a premium omega-3 product, and they can matter if you specifically want krill oil's full profile. They should not distract from the main question, though: how much EPA+DHA are you getting for the price?
Count the softgels needed to reach your target. Most krill oil products are softgels, but the concentration per softgel varies a lot. Some labels deliver a modest amount of EPA+DHA per capsule, which means you may need multiple softgels each day to reach a practical omega-3 intake. Others are more concentrated and reach the same target with fewer pills. The monthly rankings normalize the dose, but your day-to-day convenience still depends on how many softgels it takes.
Watch the difference between total omega-3s and EPA+DHA. Some labels list total omega-3 fatty acids, then separately list EPA and DHA. Those numbers are not always the same because the total can include other omega-3 fats beyond EPA and DHA. If your goal is to compare value for the most studied omega-3s, use the EPA+DHA number rather than the broader total-omega-3 figure.
Decide whether the krill-oil premium is worth it for you. Krill oil is often sold as a more absorbable or gentler alternative to standard fish oil, largely because its omega-3s are naturally carried in phospholipids. That may be a reasonable preference, but it can also mean paying more for less EPA+DHA per bottle. If you mainly care about hitting an omega-3 target at the lowest cost, standard Fish Oil is usually the tougher value benchmark krill oil has to beat.
Serving size details matter more than they look. Several krill oil labels use one-softgel servings, while others use two-capsule servings to present their full dose. That changes how quickly a bottle runs out and how the front-of-label strength reads. A product that looks strong on the front may still offer a small EPA+DHA amount once you check the serving size and the actual omega-3 line.
Use sourcing and branded-ingredient claims as tie-breakers, not the main reason to buy. Krill oil commonly highlights Antarctic sourcing, sustainability, or branded ingredients such as Superba. Those claims can help separate otherwise similar options, especially if you care about traceability or marine-sourcing standards. They are most useful after you have already confirmed the EPA+DHA amount, pill burden, and monthly cost make sense.
Krill oil has moderate evidence behind it. The basic rationale is the same as fish oil: it supplies EPA and DHA, which are the omega-3 fatty acids most often studied for cardiovascular and inflammation-related benefits. Some research suggests krill oil may raise omega-3 blood levels efficiently because the fats are carried in phospholipids, but the evidence is not strong enough to treat krill oil as automatically better than fish oil in every situation. A typical supplemental range is about 1000-2000 mg/day of EPA+DHA, and the main question is usually cost and practicality rather than whether krill oil works at all.
Most people tolerate krill oil well, but it can still cause digestive upset, reflux, or a seafood aftertaste. Anyone with a shellfish allergy should be cautious, since krill are shellfish. If you use blood thinners, have a bleeding disorder, or are planning surgery, it is worth checking with a clinician before using higher-dose omega-3 supplements regularly.