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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics
Diet
Krill oil and fish oil are popular supplements rich in omega-3 fatty acids. Explore their differences and benefits to make informed choices for your health.
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Both krill oil and fish oil contain omega-3 fatty acids, such as EPA and DHA, which are essential for heart health, brain function, and reducing inflammation.
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Krill oil is extracted from tiny shrimp-like crustaceans called krill, while fish oil is derived from fatty fish like salmon, mackerel, and sardines.
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Krill oil has phospholipids that enhance absorption, making its omega-3s more bioavailable than those in fish oil, which are predominantly triglycerides.
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Krill oil contains astaxanthin, a powerful antioxidant that protects against oxidative damage, whereas fish oil lacks this natural antioxidant.
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Krill oil harvesting has minimal environmental impact due to the abundance of krill, while overfishing certain fish species for fish oil production can harm marine ecosystems.
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Krill oil capsules are typically smaller than fish oil capsules, making them easier to swallow for individuals who have difficulty with larger pills.
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Both krill oil and fish oil may cause mild side effects, such as fishy burps or gastrointestinal discomfort, but krill oil is less likely to produce these symptoms due to its lower dosage.
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Krill oil tends to be more expensive than fish oil due to its extraction process and added benefits such as higher bioavailability and antioxidant content.
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Choosing between krill oil and fish oil depends on factors like bioavailability, environmental impact, and individual preferences. Consider your health goals and budget when selecting the right omega-3 supplement for you
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