Fatty Acid
Krill Oil
Also known as: Antarctic krill oil
Omega-3s from Antarctic krill in phospholipid form with astaxanthin. Potentially enhanced absorption.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Krill Oil product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Nootropics Depot NKO™ Krill Oil Softgels | 85 A- | $0.50 |
| 2 | Pure Encapsulations Krill-plex | 80 A- | $2.87 |
| 3 | Jarrow Formulas Krill Oil | 80 A- | $1.13 |
| 4 | Kirkland Signature Krill Oil 500mg, 180 Softgels | 76 B+ | $0.17 |
| 5 | Live Conscious KrillWell | 76 B+ | $0.97 |
| 6 | Life Extension Super Omega-3 Plus | 75 B+ | $0.66 |
| 7 | Nature's Way Krill Oil | 71 B | $1.70 |
| 8 | Doctor's Best Real Krill, 350 mg, 60 Softgel | 70 B | $0.28 |
| 9 | Doctor's Best Enhanced Krill Plus Omega3s with Superba Krill, 60 Softgels | 60 B- | $0.77 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Krill Oil should I take?
The typical range is 500-2000 mg krill oil daily. Safe long-term
When should I take Krill Oil?
With meals. Yes.
Which form of Krill Oil is best?
Softgel — Red from astaxanthin.
Is Krill Oil safe?
Commonly reported: Less fishy than fish oil. Serious warnings: Shellfish allergy. Safe
Which Krill Oil supplement scores highest?
Nootropics Depot NKO™ Krill Oil Softgels, at 85/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Heart health
- Joint support
- Brain function
How it works
- Phospholipid-bound EPA/DHA
- Astaxanthin antioxidant
- May be more bioavailable
Dosage
- Typical range
- 500-2000 mg krill oil daily
- Timing
- With meals
- With food
- Yes
- Duration
- Safe long-term
- Special populations
- Shellfish allergy contraindicated
Forms
- Softgel
Safety
Common side effects
- Less fishy than fish oil
Contraindications
- Shellfish allergy
Products containing Krill Oil
Top-scoring supplements in our catalog that list Krill Oil on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Known interactions
- Synergywith curcumin
Fat improves curcumin absorption
- Warningwith omega-3
Fish oil may increase bleeding risk with warfarin
- Cautionwith omega-3
Fish oil adds to aspirin's antiplatelet effect
- Synergywith vitamin d
Fat improves vitamin D absorption
- Synergywith omega-3
Vitamin E protects omega-3 fats from oxidation
Evidence notes
Phospholipid form may enhance bioavailability
Grade B: Some human trials support key claims; further confirmation needed.
Related in Fatty Acid
Check a full stack
Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.
Open the checkerWhere does Krill Oil fit in your stack?
Answer two questions and get a stack graded on research — every ingredient scored on the evidence behind it, not the marketing.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.