Krill oil comes from a tiny, shrimp-like marine animal. It's rich in the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
The benefits of krill oil seem to come from its omega-3 fatty acid content. The body doesn't produce many of its own omega-3 fatty acids. Omega-3 fatty acids can reduce pain and swelling and also prevent the blood from clotting easily.
People use krill oil for dry eye. It is also used for high levels of triglycerides in the blood, high cholesterol, diabetes, depression, and many other conditions, but there is no good scientific evidence to support many of these uses.
Don't confused krill oil with algal oil, cod liver oil, fish oil, or shark liver oil. These are not the same.
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