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Krill oil may improve circulation

In this two-part study, doctors wanted to test the effects of krill oil omega-3s on circulation and cholesterol. In part one, 47 men and women with type 2 diabetes, average age 65, took a placebo or 1,000 mg of krill oil omega-3s per day for four weeks. About three in four participants also had high blood pressure or imbalanced lipids.

After four weeks, while the placebo group had not changed, circulation had improved in the krill oil group, which saw an increase in the ability of blood vessels to relax and dilate.

A smaller group of 34 continued in the second part of the study, taking krill oil for 17 more weeks. HDL, the good cholesterol, increased on average to 49.09 milligrams per deciliter (mg/dL) of blood from 43.48 mg/dL. HDL protects against circulatory diseases, particularly at levels above 60 mg/dL.

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