Krill Oil - The Real Facts
By R. Morgan Griffin
Reviewed By David C. Leopold, MD
Krill oil comes from krill, tiny
shrimp-like creatures that live in very cold ocean waters. Krill oil might have
health benefits similar to those of fish oil.
Why do people take krill oil?
Krill oil contains EPA and DHA, the
same omega-3 fatty acids in fish oil, although usually in smaller amounts. The
effects of krill oil have not been researched as thoroughly as those of fish
oil. But a few preliminary studies suggest that krill oil could be superior in
some ways. Krill oil might be better absorbed in the body than fish oil.
One study of krill oil found that it
was more effective than fish oil in improving cholesterol levels,
triglycerides, and blood glucose.
Another study found that krill oil,
like omega-3s in general, could improve rheumatoid arthritis and osteoarthritis
symptoms such as pain, stiffness, and functional impairment. It also lowered
levels of C-reactive protein, a marker for inflammation in the body that's been
linked with heart disease.
In addition, krill oil seems to ease
PMS symptoms. One study found that women who took it needed fewer painkillers.
Because studies indicate that the
fatty acid DHA may benefit a developing child's brain, krill oil is sometimes
taken by pregnant women or given to children.
As krill oil becomes more popular,
some scientists are concerned about the environmental impact of large-scale
krill harvesting. Krill are an important food source for many animals,
including whales, seals, and penguins and other birds.
How much krill oil should you take?
Since krill oil is not an
established treatment, there's no standard dose. Some studies have used between
1 to 3 grams per day, sometimes with a maintenance dosage of 500 milligrams
daily. Talk to your doctor about what might make sense for you.
Can you get krill oil naturally from foods?
The only source of krill oil is
What are the risks of taking krill oil?
Side effects. Krill oil seems to cause few side effects. Some people might have
gas, bloating, or diarrhea.
Risks. Check with a doctor before using krill oil if you have a bleeding
disorder or a seafood allergy. Krill oil can slow blood clotting, and shouldn't
be taken for two weeks before surgery.
Interactions. If you take any medicines regularly, talk to your doctor before
you start using krill oil supplements. Like other omega-3 fatty acids, krill
oil may cause increased risk of bleeding and should be used with caution,
especially if you are taking anti-coagulant medications (blood thinners). Since
krill oil interferes with the blood's ability to clot, it could interact with
medicines such as blood thinners, anti-platelet drugs, and weight loss
medicines. The same risks might apply to taking krill oil while using
supplements such as ginkgo biloba, garlic, and ginger.
Although some pregnant women and
children take krill oil for brain development and cognitive function, studies
have not yet proven it safe for long-term use in sensitive populations. Consult
with a doctor before taking krill oil if you are pregnant or planning to give
it to a child.
Click here for LifeSource Vitamins Krill
Commonly Asked Question: I take a plant-based omega supplement. Do I need to take Krill Oil?
Answer: If you are taking a Plant-based omega-3 source such as flax, hemp,
and chia seeds are high in ALA, but low in EPA and DHA. Most of your health
benefits associated with omega-3 fats are linked to animal-based omega-3 fats
like EPA and DHA, not plant-based omega-3 fats like ALA. ALA is converted into
EPA and DHA in your body, but only at a very low ratio. Even if you eat large
amounts of ALA, your body can only convert very small amounts into EPA and DHA,
and only when sufficient enzymes are present.
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*Disclaimer: None of the above statements
have been evaluated by the FDA. These products are not intended to diagnose,
treat, cure or prevent any disease. As always, consult your physician before
taking any and all supplements. LifeSource Vitamins. Individual results may
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information contained throughout this website is based upon the opinion of the
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LifeSource Vitamins whose relentless research and studies have been ongoing on
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as marked on the article. The
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