Krill Oul

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Common questions

Is Krill Oul healthy?

Krill Oul scores 68/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This krill oil supplement contains high-quality omega-3 fatty acids, which are beneficial for heart and brain health.

How processed is Krill Oul?

Krill Oul is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive Krill Oul's score?

In Scout's ingredient-by-ingredient analysis, Krill Oil counts in its favor; Ethyl Vanillin is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Krill Oul

Kirkland
68 Fair

Analysis updated September 2026 · How Scout scores

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At a glance

Beneficial ingredients 1
Harmful ingredients 1
Owned by Costco
Category Other Makeup
Summary

This krill oil supplement contains high-quality omega-3 fatty acids, which are beneficial for heart and brain health. However, the presence of ethyl vanillin, an artificial flavoring agent, slightly detracts from its overall quality. The product is relatively clean with minimal additives, but the use of synthetic flavoring prevents it from achieving a higher score.

Key ingredients 5

Krill Oil
Good

Krill oil is a rich source of omega-3 fatty acids, which are beneficial for heart and brain health. It is often considered superior to fish oil due to better absorption and additional antioxidants like astaxanthin. The oil is extracted from krill, small crustaceans, and is generally considered a high-quality supplement ingredient.

Risks

Potential risks include allergic reactions in individuals with shellfish allergies.

Benefits

Krill oil provides essential omega-3 fatty acids that support cardiovascular health and reduce inflammation.

See more about Krill Oil →
Gelatin
Neutral

Gelatin is used as a gelling agent and is derived from animal collagen, typically bovine. It is a common ingredient in capsules and does not significantly impact health when consumed in typical amounts. The quality of gelatin can vary based on the source and processing methods.

Benefits

Gelatin may support joint health and improve skin elasticity due to its collagen content.

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Water
Neutral

Water is used as a solvent and filler in many products, including supplements. It is essential for life and generally considered neutral in terms of health impact. The presence of water in a product is standard and does not affect its nutritional profile.

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Glycerin
Neutral

Glycerin is a sugar alcohol used as a humectant to retain moisture. It is generally recognized as safe and does not significantly impact health when consumed in typical amounts. It is often used in capsules to maintain texture and stability.

Risks

Excessive consumption may lead to digestive discomfort.

Benefits

Glycerin helps maintain moisture and stability in supplement formulations.

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Ethyl Vanillin
Bad

Ethyl vanillin is an artificial flavoring agent used to mimic vanilla flavor. It is a synthetic compound and may be associated with potential health concerns due to its artificial nature. The use of artificial flavors is generally discouraged in high-quality supplements.

Risks

Potential risks include allergic reactions and sensitivity in some individuals.

See more about Ethyl Vanillin →

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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