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evidence · mechanism · dose
Supplements/Fatty Acid

Krill Oil

Phospholipid-bound omega-3 with astaxanthin; better bioavailability than fish oil per gram.

Cardiovascular HealthJoint & Connective TissueHealthy Aging

Overview

Phospholipid-bound omega-3 with astaxanthin; better bioavailability than fish oil per gram.

Natural sources
  • Antarctic krill
Common forms
  • Krill oil

Mechanism of action

EPA/DHA bound to phospholipids (vs triglycerides in fish oil) for better incorporation.

Pathways
  • · EPA/DHA incorporation

Effects on the body

Decreases
Triglycerides

Organ system effects

Cardiovascular

Similar effects to fish oil at lower gram dose.

Evidence-based benefits

Reduces TG and inflammatory markers

Moderate evidence

Potential side effects

Common
  • · Fish burp (less than fish oil)
Rare
    Serious
    • · Shellfish allergy

    Drug interactions

    Anticoagulants
    Mild antiplatelet.
    moderate

    Supplement interactions

    Pairs well with

    None listed.

    Avoid combining with
    • Shellfish allergy
      Crustacean source.

    Dosing & bioavailability

    Typical dose
    1–3 g/d (300–600 mg EPA+DHA)

    Where to buy

    Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

    Fatty Acid
    Krill Oil
    Amazon
    Wide selection · fast shipping
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    iHerb
    Global delivery · curated brands
    Fatty Acid
    Krill Oil
    Thorne
    Practitioner-grade · NSF tested

    Scientific evidence (8)

    RCTLipids Health Dis · 2014

    Krill oil vs fish oil on plasma lipids

    Berge K, et al.

    7-week RCT comparing krill and fish oil at matched EPA+DHA.

    Key findings

    Comparable triglyceride lowering; higher omega-3 index per gram from krill.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — Reduces TG and inflammatory markers

    Live PubMed search

    Live results for "Krill Oil Reduces TG and inflammatory markers" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "Reduces TG and inflammatory markers". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — randomized controlled trial

    Live PubMed search

    Live results for "Krill Oil randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — meta-analysis

    Live PubMed search

    Live results for "Krill Oil meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — pharmacokinetics

    Live PubMed search

    Live results for "Krill Oil pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — safety adverse events

    Live PubMed search

    Live results for "Krill Oil safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: Krill Oil — dose response

    Live PubMed search

    Live results for "Krill Oil dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching Krill Oil and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: Krill Oil — clinical evidence

    Live Scholar search

    Cross-database citation index for Krill Oil as it relates to "clinical evidence".

    Key findings

    Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

    Open study
    Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.