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Optimizing the Omega-3 Index with krill oil

Optimizing the Omega-3 Index with krill oil
New white paper shows the advantages of krill oil in raising a person's Omega-3 Index.

Lena Burri, Ph.D., a well-respected researcher and scientific writer specializing in omega-3 phospholipids, has authored a new white paper: "Optimizing The Omega-3 Index with Krill Oil." The data presented in this paper summarize the advantages of krill oil in regards to raising a person's Omega-3 Index. Most important, these studies suggest that krill oil more effectively raises the Omega-3 Index compared to fish oil, even though krill oil delivers lower amounts of EPA and DHA on a gram per gram basis.

The paper was funded by Aker BioMarine, an integrated biotechnology company dedicated to the sustainable harvest of krill and development of krill-derived products.

"Omega-3s are some of the most sought-after nutritional ingredients in the world, and the most researched," said Becky Wright, marketing director of Aker BioMarine Antarctic US. "To that end, it is imperative that we continue investigating marine sources, like krill, to provide the public with information, so they can make an educated decision on which omega-3 source is right for them."

The Omega-3 Index, an important diagnostic tool
The Omega-3 Index is a diagnostic tool that is quickly becoming more popular with medical professionals and consumers. In addition to helping assess an individual's cardiovascular health, the Omega-3 Index offers additional insight into a person's general state of well-being based on the amount of omega-3s in their blood.

Not all omega-3 sources are equal
While most omega-3s will raise the Omega-3 Index, how quickly and efficiently that happens depends on the source. Most human intervention studies on omega-3 fatty acid-associated health benefits have been performed on fatty acids esterified as triglycerides obtained from fish or algae, while fewer studies are available on omega-3s in phospholipid form.

Unlike fish oil, omega-3 fatty acids enriched in phospholipid form are found in krill oil extracted from the Antarctic crustacean Euphausia Superba. Krill oil also differentiates from fish oil by the presence of the antioxidant astaxanthin.

Several animal and human studies on krill oil have suggested more potent benefits for human health when the omega-3 fatty acids are bound to phospholipids instead of triglycerides. In particular, two clinical studies have shown that Superba(TM) Krill can increase total plasma EPA and DHA more than fish oil after both four-week and seven-week supplementation periods.

Increased levels of EPA and DHA in blood have been associated with improved cardiovascular health. Increased levels of the Omega-3 Index after supplementation have been shown to directly correlate with EPA and DHA levels in human cardiac tissue. Other studies show that krill does not increase LDL cholesterol levels. Furthermore, only krill oil provides the essential nutrient choline, which is crucial for cell structure, function and signaling, and like omega-3 fatty acids, contributes to cardiovascular, hepatic and cognitive health.


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