Antarctic krill illustration with a pile of red Krill Oil softgel capsules on a white background.

Krill Oil

Also known as: Euphausia superba oil, Antarctic krill oil, Omega-3 krill oil, Krill extract, Krill lipid extract, Nko krill oil, Krill fatty acids

Krill oil is a popular dietary supplement derived from tiny, shrimp-like marine crustaceans known as krill, abundant in oceans around the world. This supplement is highly regarded for its rich content of essential omega-3 fatty acids, specifically EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), which play a crucial role in maintaining heart and brain health. As these omega-3s are essential fats our bodies cannot synthesize, they must be obtained through diet or supplements. Moreover, krill oil is a rich source of antioxidants such as astaxanthin, which contributes to its vibrant re...

Potential Side Effects

Side effects score: 3; Krill oil may cause side effects such as nausea, diarrhea, indigestion, and a fishy aftertaste. Individuals with shellfish allergies could experience allergic reactions, and those taking anticoagulants may face an increased risk of bleeding. It is important to consult a healthcare provider before starting krill oil or any new supplement.

Health Categories

View efficacy ratings for Krill Oil across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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