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Highlights Multiple benefits of krill oil Omega-3 fatty acids and ADHD Omega-3 better than Ritalin More positive research for vitamin D Childhood sun exposure and MS Vitamin D and cardiovascular risk NEWS BRIEFS RESEARCH REPORT – Cholesterol: A Review – Part I THE PROSTATE MONITOR

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    18

MULTIPLE BENEFITS OF KRILL OIL

Krill

is

a

term

used

to

designate

85

cold

deepwater

marine

species

of

the

plankton

family.

Krill

resemble shrimp and range in length from one to six

centimeters.

The

two

major

fisheries

are

the

Antarctic

Ocean

and

the

North

Pacific

Ocean

along

the coasts of Japan and Canada. 100,000 tons of krill are harvested

While about annually, this

represents only about existing population. The

0.1% of the estimated oil extracted from krill is

low in contaminants mostly because very low in the marine food chain.

the krill are The health

benefits of krill oil have now been examined in randomized, placebo-controlled trials, the recent appearing early this year. We will discuss related earlier papers.

three most also

KRILL OIL AND INFLAMMATION

In a paper in 2007 in the Journal of the American College of Nutrition, Deutsch et al reported on a study of 90 patients with confirmed cardiovascular disease and/or rheumatoid arthritis and/or osteoarthritis. All had C-reactive protein (CRP) levels above 1 mg/dL. They were randomized into two groups, one receiving 300 mg/day of krill oil and the other a placebo. After thirty days of treatment, CRP levels decreased 30.9% in the oil group but increased 25.1% in the placebo group. Standard scoring methods for arthritis severity were employed

and

revealed

significant

reduction

of

arthritic

either 2-3 g/day on a BMI based dose, or 1- 1.5g/day. The fish oil control received 3 g/day of fish oil providing 540 mg/day of eicosapentaenoic acid (EPA) and 360 mg/day of docosahexaenoic acid (DHA). For the krill oil group, 2 or 3 g/day resulted in similar changes in blood lipids (approximate values): total Cholesterol (TC), -18%,; LDL, -38%; HDL, + 57%; triglycerides (TG), -26%. The group on 3 g/d of fish oil had the following changes: TC, - 5.96%; LDL, -4.5%, HDL, +4.2% and TG, -3.1% . The placebo group had the following changes: TC, +9.1%, LDL, +13%, HDL +4% and TG, -9.9%. Thus Krill oil had, in comparison with either fish oil or a placebo, a very large impact on serum lipid levels in a direction considered by mainstream medicine to be very favorable. These changes are comparable or better than achieved by the statin cholesterol lowering drugs. The cohort excluded patients with familial hypercholesterolemia, pregnancy, alcohol or drug abuse, or the use of anticoagulant therapy. The authors comment that the bioavailability of polyunsaturated fatty acids such as EPA and DHA depends on factors such as the type of lipids with which they are associated and the physical state such as a lipid solution or a colloidal particle

system.

The fatty acids in krill oil

incorporated

into

phospholipids

which

are already is thought to

considerably enhance the

with

the

brand

name

bioavailability. NKO from

Krill oil Neptune

symptoms during the Parameters included impairment.

initial 7- and 14-day periods. pain, stiffness and functional

Bioressources contains 150 mg EPA and 90 DHA per gram of oil. Thus the 2-gram dose

mg of of krill

oil which was as effective as the had lower EPA and DHA levels

3-gram dose and than the fish oil

KRILL OIL AND ELEVATED CHOLESTEROL In 2004 Bunea et al reported on a randomized trial of the effect of krill oil on cholesterol and triglyceride levels as compared with a normal fish oil or a placebo when the oil was taken over 90 and 180 days. Doses of krill oil were higher in this study than in the above inflammation study and were

used in comparison and yet achieved much favorable changes in the blood lipid profile.

larger

International Health News

November 2007

Page 2

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