Krill oil, derived from tiny crustaceans, is a rich source of omega 3 fatty acids, which can help lower blood pressure and bad cholesterol. It also contains astaxanthin, an antioxidant that protects the body from free radicals. However, those taking certain medications or with fish/shellfish allergies should consult a physician before taking krill oil.
Krill oil is oil that comes from the tiny crustaceans known as krill, an oceanic creature less than 2.25 inches (6 centimeters) long. Krill is the main source of food for fin whales and they are rich in omega 3 fatty acids. As a good source of these fatty acids, krill oil is often used in supplements or can be marketed as a standalone product.
The reason krill oil is so sought after is for the benefits it offers omega 3 fatty acids. These acids are known to have positive benefits, especially for the heart, which the body cannot produce on its own. While some types of oily fish are good sources of these acids, krill oil also has an abundance of them. Omega 3 fatty acids are known to help lower blood pressure and help lower bad cholesterol.
While no full studies have been done, krill oil and fish oil are very similar in design and composition. Those taking fish oil supplements often take 1,600 mg per day. This may also be acceptable for those looking to take a krill oil supplement.
The benefits of krill oil are hard to underestimate, according to recent studies. One showed that those taking a krill oil supplement reduced bad cholesterol readings by 37% compared to those taking a placebo. Additionally, krill oil is also believed to reduce the symptoms of premenstrual syndrome (PMS) and diabetes.
However, while the omega 3 fatty acids found in krill oil are a big plus, it is one of many that the product offers. Krill oil also contains an antioxidant known as astaxanthin. This antioxidant is thought to protect the body from free radicals, substances that are thought to harm the body in a variety of ways. This antioxidant also gives krill and other crustaceans their reddish color.
However, as with any type of dietary supplement, some negative side effects can emerge for those taking certain medications. Any supplemental use of krill oil should only be done after consulting a physician. These cases include people taking a blood-thinning drug. Due to the fact that omega 3 fatty acids also work to thin the blood, there may be undesirable effects when the two are combined. Those with fish or shellfish allergies should also avoid krill oil. However, despite these concerns, krill oil is generally considered to be a very safe supplement for the general population.
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