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Krill Oil May Benefit Muscle Function

Krill Oil May Benefit Muscle Function

Krill oil contains EPA and DHA, the same omega-3 fatty acids in fish oil, although usually in smaller amounts. A recent study has found that krill oil supplementation may benefit skeletal muscle function and size in healthy, mature adults.

The study included 98 participants over the age of 65 who participated in less than 1 hour per week of structured exercise. They were given 4 grams of krill oil or a placebo daily for 6 months. The researchers measured thigh muscle strength, grip strength, and thigh muscle thickness at baseline, 6 weeks, and 6 months. The also measured serum levels of EPA and DHA.

Participants in the krill oil group saw a 9.3% increase in thigh muscle strength, a 10.9% increase in grip strength, and a 3.5% increase in thigh muscle thickness compared to the placebo group. They also saw a 214% increase in EPA levels and a 36% increase in DHA levels.

The study was conducted by researchers from the University of Glasgow. It was published online ahead of print on April 19, 2022 in the journal Clinical Nutrition.

In a previous study, krill oil was found to help promote healthy triglyceride levels.

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