![]() They are widely distributed in nature, being important constituents of animal lipid metabolism, and they play an important role in the human diet and in human physiology. “Studies have more positive conclusions when you’re getting your omega-3s from food itself because there may be other components in food that act together to get the best benefits,” says Ilic.Omega−3 fatty acids, also called Omega−3 oils, ω−3 fatty acids or n−3 fatty acids, are polyunsaturated fatty acids (PUFAs) characterized by the presence of a double bond, three atoms away from the terminal methyl group in their chemical structure. You can also get omega-3s from flaxseed, chia seed and walnuts. But the best way to get omega-3s? From eating cold-water fatty fish like salmon, herring, mackerel, trout and sardines. There’s also not enough research on krill oil effects, so steer clear of it for now if you’re pregnant or breastfeeding.īe sure to talk to your doctor before adding any supplement. Ilic notes that anyone with a seafood allergy could have problems as well. “People who are going to have surgery should discontinue use because of the blood-thinning effect,” says Ilic. “So for people who take blood thinners, so check with your doctor before taking omega-3 supplements.”Īnd if you plan on having surgery, skip the krill oil. “Fish oil and krill oil are known to have blood-thinning effects,” says Ilic. There are also some minor symptoms you might have while taking krill oil like diarrhea, headaches, heartburn and an upset stomach. Some people have noted there’s still a fishy taste, even when taking krill oil. A study compared fish oil to krill oil and while both supplements improved symptoms for those with PMS, the individuals taking krill oil needed less pain medication. The results showed a significant reduction in pain while they were standing or sleeping.Īdvertising Policy It may help with PMS symptomsįor those who deal with PMS, using krill oil may help alleviate period pain and other symptoms. A small study gave participants with mild knee pain krill oil for 30 days. Those who took 300 milligrams of krill oil each day for 30 days saw an improvement in symptom reduction and used less rescue medication. It may reduce arthritis and joint painĪnother study examined how krill oil may reduce the symptoms of rheumatoid arthritis. Astaxanthin has been shown to also have anti-inflammatory and antioxidant benefits, which may help fight the negative effects of free radicals on your brain and nervous system. Krill oil also contains astaxanthin, a pigment that’s found in carotenoids (it’s also what gives salmon its pink-red color). “Krill oil might have a modest effect of lowering blood pressure,” says Ilic. Research shows that omega-3 fatty acids, which are found in krill oil, may decrease blood pressure in some individuals. “There might be an improvement in HDL, but some studies have shown an increase in LDL, which you don’t want to increase.” It may reduce inflammation “We know that high triglycerides increase the risk of heart disease,” says Ilic. It may also increase HDL (good) cholesterol levels. Research shows that krill oil may be effective in reducing total cholesterol and triglycerides. Here are some possible ways it can help you. Studies have shown krill oil may have a variety of health benefits. More research is needed to determine the exact reason krill oil might be absorbed more easily. In fish oil, the DHA and EPA are stored in the form of triglycerides. It might have something to do with the DHA and EPA being found as molecules called phospholipids in krill oil. While krill and fish oil both have DHA and EPA, it’s believed that those omega-3 fatty acids found in krill oil have a higher bioavailability - or rate of absorption in your body - than fish oil. “ Research has shown that these omega-3 fatty acids may benefit heart health, as well as inflammation,” says Ilic. While the word krill means “small fish” in Norwegian, the tiny crustaceans pack a big punch with their sources of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), two omega-3 fatty acids only found in marine life. ![]() Registered dietitian Mira Ilic, RD, talks about the benefits of krill oil and whether it’s right for you. ![]() PolicyĪ possible alternative to fish oil, krill oil boasts omega-3 fatty acids that may help improve heart health, fight inflammation and support brain and nervous system health. We do not endorse non-Cleveland Clinic products or services. ![]() Advertising on our site helps support our mission. Cleveland Clinic is a non-profit academic medical center.
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